Starting your own electronic-kit business

Voices: 15 steps to starting your own electronic-kit business is an interesting article. This engineer started her own successful electronics-kit business. Limor Fried has made Adafruit Industries into a successful electronics-kit business. You can too. Based on her own experience, she offers 15 practical steps for engineers who dream of starting their own kit business.

716 Comments

  1. Tomi Engdahl says:

    Vain joka kolmas Kickstarter-hanke yltää tavoitteeseensa
    https://etn.fi/index.php/13-news/10358-vain-joka-kolmas-kickstarter-hanke-yltaa-tavoitteeseensa

    Joukkorahoitus on erinomainen keino saada mahdollisuus viedä tuotteensa kaupalliseksi, mutta mikään oikotie onneen se ei ole. Talousalaa seuraava Learn Bonds -sivusto on selvittänyt, että yli 60 prosenttia Kickstarter-kampanjoista ei saavuta tavoitteitaan. 12 prosenttia ei kerää lainkaan varoja.

    Vain 37,4 prosenttia saavuttaa tavoitteensa

    Pelialalla on saavutettu parhaat tulokset.

    Reply
  2. Tomi Engdahl says:

    The Myth of the Successful One-Person Business
    https://www.entrepreneur.com/article/236562

    There was once a time when it was just me. I was providing computer services. I was working a lot of hours. But I wasn’t making any money at it.

    Today, I’m making money. Why? Because I’m supervising 10 people who are providing computer services for me. I’m making money off of them.

    Reply
  3. Tomi Engdahl says:

    Modular Solar-Powered IoT Sensors
    https://hackaday.com/2020/01/19/modular-solar-powered-iot-sensors/

    Bringing a product to market is not easy, if it were everyone would be doing it, and succeeding. The team at Pycno is in the process of launching their second product, a modular solar powered IoT unit called Pulse. It’s always interesting to get an inside look when a company is so open during the development process, and see how they deal with challenges.

    PULSE: BUILDING SMART DEVICES THE SIMPLE WAY
    Control devices through a scriptable engine running on top of a microcontroller. Device has 2 SIMs, 2G, 3G, LTE, WiFi, LoRa, GPS and BT5
    https://hackaday.io/project/167520-pulse-building-smart-devices-the-simple-way

    Reply
  4. Tomi Engdahl says:

    A Behind The Scenes Look At Small Scale Production
    https://hackaday.com/2020/01/16/a-behind-the-scenes-look-at-small-scale-production/

    Back in 2013, [Karl Lautman] successfully got his kinetic sculpture Primer funded on Kickstarter. As the name implies, you press the big red button on the front of the device, and the mechanical counter at the top will click over to a new prime number for your viewing pleasure. Not exactly a practical gadget, but it does look pretty slick.

    These days you can still by your very own Primer from [Karl], but he tells us that the sales aren’t exactly putting food on the table. At this point, he considers it more of a self-financing hobby. To illustrate just what goes into the creation of one of these beauties, he’s put together a time-lapse video of how one gets built from start to finish, which you can see after the break.

    http://karllautman.com/primer.html

    Reply
  5. Tomi Engdahl says:

    You Could Be A Manufacturing Engineer If You Could Only Find The Time
    https://hackaday.com/2020/01/03/you-could-be-a-manufacturing-engineer-if-you-could-only-find-the-time/

    Let’s be honest, Ruth Grace Wong can’t teach you how to be a manufacturing engineer in the span of a twenty minute talk. But no-one can. This is about picking up the skills for a new career without following the traditional education path, and that takes some serious time. But Grace pulled it off, and her talk at the 2019 Hackaday Superconference shares what she learned about reinventing your career path without completely disrupting your life to do so.

    https://www.youtube.com/watch?v=cBgn4Dwh3Ys&feature=youtu.be

    Reply
  6. Tomi Engdahl says:

    You need a minimum viable company, not a minimum viable product
    Having customers love the product is just part of product-market fit
    https://techcrunch.com/2020/01/31/you-need-a-minimum-viable-company-not-a-minimum-viable-product/?tpcc=ECFB2020

    Most successful entrepreneurs and VCs agree that product-market fit is the defining quality of an early-stage startup. Getting to product-market fit allows you to succeed even if you aren’t optimized on other fronts.

    Most entrepreneurs conceptualize product-market fit as the point where some subset of customers love their product’s features. At Floodgate, we forensically analyzed companies that died and concluded this conceptualization is wrong. Many failing companies had features that customers loved.

    Reply
  7. Tomi Engdahl says:

    What to expect when pitching European VCs
    Do the same best practices still apply when you’re fundraising outside the US?
    https://techcrunch.com/2020/02/07/what-to-expect-when-pitching-european-vcs/

    Reply
  8. Tomi Engdahl says:

    For a long time, no robot company had a business model worth funding. “We were no exception,” writes iRobot CEO Colin Angle. “We tried 14 business models before we arrived at one that sustainably worked.”

    Build a Rover, Send It to the Moon, Sell the Movie Rights: 30 Years of iRobot
    https://spectrum.ieee.org/automaton/robotics/home-robots/30-years-of-irobot

    Reply
  9. Tomi Engdahl says:

    7 Ways to Quickly Judge the Quality of Your Printed Circuit Board Design
    https://www.hackster.io/news/7-ways-to-quickly-judge-the-quality-of-your-printed-circuit-board-design-b2cc91c6d170

    Although it really takes an expert in PCB design to do a proper full review, there are ways to quickly judge the quality of a PCB design.

    Reply
  10. Tomi Engdahl says:

    Design vs. manufacturing: A failed directional coupler
    https://www.edn.com/design-vs-manufacturing-a-failed-directional-coupler/

    After running all kinds of exhaustive tests and being very pleased with everything he saw, he opened the unit up to inspect the physical innards. He then discovered that the dielectric board was only half as thick as he had called for, and upon making that discovery, this guy went berserk. Shouting expletives at the top of his lungs, he slammed the coupler prototype down to the floor where it bounced around and came to rest under someone’s desk.

    I don’t know if that coupler project was ever a success or not

    Reply
  11. Tomi Engdahl says:

    Tips From A Former Niche Item Etsy Store
    https://hackaday.com/2020/05/04/tips-from-a-former-niche-item-etsy-store/

    Etsy is a service aimed at providing a way for makers of handmade items to sell them online. [Bithead] closed up shop earlier this year and wrote up an interesting perspective on what did and didn’t work out. The main market for [Bithead]’s store was Star Wars cosplayers, because it all started with some Star Wars inspired com pads

    https://bithead942.wordpress.com/2020/01/01/shutting-down-my-etsy-store/

    Reply
  12. Tomi Engdahl says:

    Prototyping a Board to Launch
    https://www.hackster.io/news/prototyping-a-board-to-launch-47e2dd08a4e0?2f10c1578a0706e06b6d7db6f0b4a6af

    Learn about the steps that went into prototyping the first nRF9160 FeatherWing board.

    Reply
  13. Tomi Engdahl says:

    How to turn your breadboard rat’s nest into a badass circuit – PCB manufacturing tips
    http://www.engblaze.com/how-to-turn-your-breadboard-rats-nest-into-a-bad-ass-circuit-pcb-manufacturing-tips/

    Printed circuit board (PCB) manufacturing is a black art among the DIY community. If you’re putting together a prototype circuit, the process is very well established: get an Arduino or your microcontroller of choice, pick out some components, get a breadboard and wires, and then string everything together. Easy, low cost, and accessible.

    However, what if your project becomes more complex? You can extend breadboard or perf-board work to a point, but the likelihood of making an error grows exponentially with project complexity. Nobody wants to end up with a circuit that looks like this:

    Reply
  14. Tomi Engdahl says:

    10 Steps to Get Your IoT Product Manufactured in Less Time
    https://svv.io/2020/03/02/10-steps-to-get-your-iot-device-manufactured/

    Step 1. Determine Your Product Distribution Plan

    Step 2. Decide What to Do Yourself

    Step 3. Build the Budget

    Step 4. Engage Partners to Verify Budget

    Step 5. Outline RASIC Chart

    Step 6. Define the Scope of Work

    Step 6. Define the Scope of Work

    Step 7. Map Your Production Launch Plan

    Step 8. Review & Finalize Contracts

    Step 9. Choose Production Partner(s)

    Step 10. Launch Production & Sustain Success

    Reply
  15. Tomi Engdahl says:

    The five stages of product strategy
    https://www.productboard.com/blog/the-five-stages-of-product-strategy/?utm_source=facebook&utm_medium=social-paid&utm_campaign=fb_aw_emea_social_content_acquisition&utm_content=lal_blog_visitors_blog&utm_term=image_blog_5_stages_of_strategy

    This is the story of how organizations evolve to pursue a clear product strategy.

    We’ll follow the story of your hypothetical startup as it matures into an high-performing established organization to consider what the use of strategic objectives looks like at every phase of growth.

    That said, the 5 stages of strategic maturity are independent of the age or size of the organization. Though it’s unlikely a startup could achieve the highest stages, it’s not impossible. And there are more than a few enterprises that may find themselves performing at the lowest stages.

    Reply
  16. Tomi Engdahl says:

    What Makes a Successful Startup Team
    https://hbr.org/2019/03/what-makes-a-successful-startup-team?utm_medium=social&utm_source=facebook&utm_campaign=hbr

    When venture capital investors are doing due diligence, they focus carefully on the financial side of the business. Does the company have an interesting business model? How big is the addressable market? What are the growth plans of the company? They hire expensive experts and use advanced data tools to answer these questions and ensure that every financial detail is on the table.

    Reply
  17. Tomi Engdahl says:

    https://techcrunch.com/2020/08/03/when-building-a-startup-think-like-a-buyer/?tpcc=ECFB2020

    “Never run a dual-track process.”

    You’ll probably hear this advice if you ask an investor about raising money and selling a business concurrently, and it’s good advice. The two processes are so different, so all-consuming and require such different priorities that it is nearly impossible to do both well. Running a sale process, though, is much different from positioning your company for sale, and positioning for a sale is very easy to do while you are focused on execution and fundraising. In fact, thinking like a buyer often helps make your business better even if you never sell, and if you do end up exiting through a merger or acquisition (far more common than an IPO in any event), you’ll be that much farther ahead.

    Reply
  18. Tomi Engdahl says:

    6 porrasta onnistuneeseen tuotteeseen
    https://www.conseptas.com/blog/2020/7/13/6-porrasta-onnistuneeseen-tuotteeseen

    ASIAKAS:
    1. PORRAS – TEE KIINNOSTAVA TUOTE
    Tuotekehityksen tulee käynnistyä aina asiakkaan ongelman ymmärtämisestä ja tarvekartoituksesta. Markkinaselvityksellä pyritään hakemaan mahdollisimman kattavasti tietoa toimialasta

    2. PORRAS – RAHA/RAHOITUS
    Jotta tuotekehityksessä voidaan edetä, täytyy yrityksen rahoituksen olla kunnossa. Tuotekehitys maksaa, mutta tässä vaiheessa päätetään jopa 70% tuotteen tulevista kustannuksista, joten panostus kannattaa.

    NOPEAT SYÖVÄT HITAAT
    3. PORRAS – ÄLÄ OLE PERFEKTIONISTI
    Tuotteesi ei tarvitse olla täydellinen. Kaikkien mahdollisten ominaisuuksien mukaan ottaminen nostaa tuotteesi kehitysaikaa ja siten lisää myös kustannuksia. Aikaisessa vaiheessa tehty huolellinen markkinatutkimus kertoo sinulle, mitä juuri sinun asiakkaasi tarvitsee. Tuotteestasi tulee halvempi valmistaa, ja uusia tuotteita on helppoa kehittää lisäämällä toivottuja ominaisuuksia.

    TEKNINEN OSAAMINEN
    4. PORRAS – PANOSTA TUOTEKEHITYKSEEN
    Jotta tuotekehitys voi onnistua, tarvitaan riittävä tekninen osaaminen. Tekninen osaaminen voi tulla yrityksen omasta henkilöstöstä tai yrityksen ulkopuolelta.

    LAADUKAS TUOTE
    5. PORRAS – TEE LAATUA, ÄLÄ YLILAATUA
    Laatu maksaa aina, ja ylilaadun tekeminen on kallista. Kuten jo aikaisemmin kohdassa 3 mainittiin, ei täydellistä tuotetta kannata tavoitella.

    LAADUKAS TUOTE
    6. PORRAS – PANOSTA YRITYKSEEN
    Tuotteen suunnittelun jälkeen tarvitaan riittävät resurssit, jotta tuote voidaan viedä tuotantoon kustannustehokkaasti. Tuotannon käynnistysvaiheessa voidaan vielä hioa tuotteen yksityiskohtia, tehdä cost reductionia, tehdä tuotannolliset jigit – jotta valmistusprosessi toimisi mahdollisimman kustannustehokkaasti. Tuotantoon tarvitaan myös mallikelpoinen ohjeistus, jotta riittävä laatu saadaan ylläpidettyä.

    Yrityksen kasvu on innovointia ja riskinottoa. Tavoitteena on etsiä jatkuvasti yhä uusia tapoja luoda arvoa ja luoda niistä liiketoimintaa. Kasvu vaatii jatkuvaa arviointia, ovatko yrityksen resurssit sopivat ja ovatko ne suunnattu mahdollisimman tehokkaasti.

    Tyypillinen kuluttajatuotteen prosessi:

    1. Markkinaselvitys
    2. Patentointi
    3. Rahoitus
    4. Konseptointi (vaatimusmäärittely)
    5. Teollinen muotoilu (esim. 3 konseptiluonnosta)
    6. Proof of concept (valitun ID:n suunnittelu)
    7. Pikamallit
    8. Kokoonpano, testaus ja tarvittavat muutokset
    9. Mahdollinen toinen protokierros
    10. Piirustukset, dokumentit, osien viimeistely yms. kovien työkalujen tilausta varten
    11. Muotin tilaus
    12. Koepuristeet, tarkastukset, mittapöytäkirjat
    13. Muotin viimeistely
    14. Hyväksynnät: CE, FCC
    15. Ramp up, cost reduction

    Reply
  19. Tomi Engdahl says:

    Having built a prototype on a breadboard, Sayanee Basu explains the whys and hows of transferring the design to a custom PCB.

    Sayanee Basu’s Video Walks Through the Design
    https://www.hackster.io/news/sayanee-basu-s-video-walks-through-the-design-considerations-in-moving-from-an-arduino-to-a-pcb-cdcefa277b05

    Considerations in Moving From an Arduino to a PCB
    Having built a prototype on a breadboard, Basu’s video will explain the whys and hows of transferring the design to a custom PCB.

    “There are some design considerations to take note,” Basu explains in the introduction to the video. “For example the power management circuit, or how to upload the bootloader and the firmware, LEDs, buttons, or switches, and integrate the various sensor circuits.”

    Reply
  20. Tomi Engdahl says:

    Facebook’s former PR chief explains why no one is paying attention to your startup
    https://techcrunch.com/2020/08/14/facebooks-former-pr-chief-explains-why-no-one-is-paying-attention-to-your-startup/?tpcc=ECFB2020

    While founders often may think of PR as a way to get messaging across to reporters, Marooney says that making someone care about what you’re working on — whether that’s customers, investors or journalists — requires many of the same skills.

    One of the biggest insights she shared: at a base level, no one really cares about what you have to say.

    Describing something as newsworthy or a great value isn’t the same as demonstrating it, and while big companies like Amazon can get people to pay attention to anything they say, smaller startups have to be even more strategic with their messaging, Marooney says. “People just fundamentally aren’t walking around caring about this new startup — actually, nobody does.”

    Getting someone to care first depends on proving your relevance.

    Reply
  21. Tomi Engdahl says:

    Elon Musk, Richard Branson, and Sara Blakely’s best advice on how to become fearless.

    3 Billionaires’ Best Advice for Getting Over Your Fear of Failure
    https://www.inc.com/jessica-stillman/elon-musk-richard-branson-sara-blakely-failure-advice.html?cid=sf01002

    Elon Musk, Richard Branson, and Sara Blakely on how you can dare to chase your wildest dreams.

    Perhaps one of the oldest and most oft repeated chestnuts in the startup world is that you shouldn’t fear failure.

    “Failure is an option here. If things are not failing, you are not innovating enough,” Elon Musk told SpaceX employees in the company’s early days, for instance.

    Or how about this classic from Thomas Edison: “I have not failed. I’ve just found 10,000 ways that won’t work.”

    Entrepreneurs are bombarded with the message that getting over your fear of failure is essential for success, probably because it’s true. But that doesn’t make it easy. Failure feels terrible for most normal humans, and it’s natural to worry about the social, economic, and business costs of falling on your face.

    But just because fear of failure is hardwired into us, it doesn’t mean we can’t overcome it.

    “Something that can be helpful is fatalism, to some degree,” Musk explained. “If you just accept the probabilities, then that diminishes fear. When starting SpaceX, I thought the odds of success were less than 10 percent and I just accepted that actually probably I would just lose everything. But that maybe we would make some progress.”

    Calling failure “one of our greatest learning tools” Branson recommends those in the grip of anxiety think about all the things a seemingly negative experience is teaching them.

    Switching your lens in this way will shift your focus from the short-term discomfort of failure to the long-term gains. That should boost your courage.

    Self-made Spanx billionaire Sara Blakely has made a similar observation about failure: While it feels horrible, it often leads to wonderful things down the road. It’s just hard to remember that in the moment. Blakely suggests a short writing exercise can help remind you of this truth.

    Next time you’ve experienced a setback and it stings, get out a pen and paper and try to write out all the positives that are likely to come out of the experience.

    Reply
  22. Tomi Engdahl says:

    Tuoteinnovaation rahoitus
    Onko rahan puute ongelmana tuotekehityksessä?
    https://www.conseptas.com/blog/2020/8/28/tuoteinnovaation-rahoitus

    Reply
  23. Tomi Engdahl says:

    Poista ominaisuuksia, älä lisää niitä – Sony Walkman MVP tarina
    Rakenna MVP nopeasti ja tehokkaasti
    https://blogi.meom.fi/poista-ominaisuuksia-ala-lisaa-niita-sony-walkman-mvp-tarina

    Reply
  24. Tomi Engdahl says:

    5 Decisions That Will Increase Your Chances Of Building A Successful Startup
    http://on.forbes.com/6184GaPCE

    1. Don’t Take Your Time
    2. Cut Your Learning Curve
    3. Capture Opportunity-Driven Ventures
    4. Minimize Guessing
    5. Take Calculated Risks

    Smart entrepreneurs take calculated risks. Focusing on industries you’re familiar with, starting opportunity-driven ventures and seeking mentorship will help you take calculated risks. Finally, remember not to take your time.

    Reply
  25. Tomi Engdahl says:

    Want To Support Hacker-friendly Hardware Design? Follow Valve’s Example
    https://hackaday.com/2020/08/20/want-to-support-hacker-friendly-hardware-design-follow-valves-example/

    It’s been just over a year since Valve released Index, their flagship VR system, and it’s worth looking back at this GitHub repository as a fine example of how to provide supporting materials to a hacker-friendly hardware design. The image above shows off one of the hacker-friendly design elements: an empty space behind the visor, with a USB port off to the right, that exists for no reason other than to make it easier to mount and plug in whatever one might come up with. There’s more to it than that, however. If one wishes to provide supporting materials for a hardware design, one could certainly do worse than emulate Valve’s example.

    https://github.com/ValveSoftware/IndexHardware

    Reply
  26. Tomi Engdahl says:

    Building 25 individual single-board computer designs, Jay Carlson’s article is a must for anyone looking at development embedded Linux hardware.

    Jay Carlson’s Embedded Linux Primer Looks at Designing and Building Custom Single-Board Computers
    https://www.hackster.io/news/jay-carlson-s-embedded-linux-primer-looks-at-designing-and-building-custom-single-board-computers-8d7fe9017059

    Building 25 individual single-board computer designs, Carlson’s article is a must for anyone looking at development embedded Linux hardware.

    Reply
  27. Tomi Engdahl says:

    Here’s the trouble with the “just ship it” mindset

    Don’t just ship it: Why we worked on a new idea for 3 years
    https://medium.com/swlh/dont-just-ship-it-why-i-worked-on-an-idea-for-3-years-d19d863a7a74

    Product lessons from growing our startup to 8 million users without a single dime in outside funding

    “Version 1 sucks, but ship it anyway.”
    I stared up at the bold words displayed on a large screen before an audience of hundreds. All of us were seated in our best suits, eager to hear the next speaker offer his wisdom.
    This was 14 years ago when entrepreneurs from all walks of life would still gather to attend business conferences in person (not just via Zoom).
    The presenter who stood several feet from us was giving an impassioned speech about the magic of constantly shipping products. “For one, you’re always learning,” he said, in a voice both confident and self-aware. “And you’re not caught up in getting things perfect.”

    Now as I look back on that experience, I can say the speaker wasn’t completely wrong. Perfectionism is self-sabotaging and plagues even the best of us.
    Fast forward to the present, and there’s still a lot of talk about the “Ship Or Die Mentality,” which glorifies growth for growth’s sake.
    I get it, and can even sympathize. Leaders want to build a business that thrives. And in many people’s eyes, it’s heroic to deploy a new product and feel that forward sense of momentum.
    But the part I can’t really endorse is the “suck” part.
    It comes down to this: I’m not sold on the idea of shipping products that suck.

    And history backs me up on this.
    Take the Google Glass product launch back in 2014 that was hyped to revolutionize the way consumers experienced technology. Instead, it ended up as a spectacular failure.
    Why? Because it neglected to provide real solutions for its users.
    To put it simply: it sucked. Big time.
    The trouble with the “just ship it” mindset
    Quality isn’t always sexy. It’s slow-moving and forces you to take your time and listen closely. It means digging deeper into your customer’s evolving needs.
    It means not settling for “good enough.”

    At JotForm, we aren’t racing down a finish line, trying to push our product into the market before it’s ready.
    While I get the temptation in “just shipping” a new product, here’s where I disagree:
    You risk mediocre results.
    Don’t get me wrong, I’m not advocating for “excellence at all costs.” Far from it.
    But by staying focused on quality, I am building an enduring company.

    People want me to talk about how fast we ship and innovate. But our formula comes down to one thing:
    Coming up with a vision, for us, doesn’t come from someone sitting in some isolated room and going “aha,” I need to ship this revolutionary product out NOW.
    Our vision comes from understanding the data. From doing more than a thousand interviews, talking to people, and having all those users constantly hammering us with ideas.

    From listening to the voices of our customers.
    In my earlier years, it used to bother me that we weren’t shipping nearly as fast as the competition.
    Yet, today, as we launch our newest product JotForm Tables — a tool that’s part spreadsheet, part database and allows anyone to manage, track, and organize their data, all in one place — I’m reminded that it’s quality that truly makes a business successful.

    Reply
  28. Tomi Engdahl says:

    Most successful entrepreneurs and VCs agree that product-market fit is the defining quality of an early-stage startup https://tcrn.ch/3fISrKD

    You need a minimum viable company, not a minimum viable product
    Having customers love the product is just part of product-market fit
    https://techcrunch.com/2020/01/31/you-need-a-minimum-viable-company-not-a-minimum-viable-product/?tpcc=ECFB2020

    We’ve seen startups go wildly right (Lyft, Refinery29, Twitch, Xamarin) and wildly wrong. When I reflect on the failures, the root cause inevitably stems from misconceptions around the nature of product-market fit.

    Most entrepreneurs conceptualize product-market fit as the point where some subset of customers love their product’s features. At Floodgate, we forensically analyzed companies that died and concluded this conceptualization is wrong. Many failing companies had features that customers loved.

    Reply
  29. Tomi Engdahl says:

    Tuotekehityksestä puhutaan, kun aletaan tekemään tuotetta idean pohjalta. Kuitenkin pelkällä idealla on vain pieni arvo verrattuna valmiiseen tuotteeseen. Matka on kuitenkin pitkä ja matkan varrella voi sattua monenlaisia ongelmia. Tässä blogissa kerromme muutaman yleisen virheen, jotta sinä voit välttää ne.

    Lue koko blogiteksti:
    https://www.techat.fi/4-yleisinta-virhetta-sulautettujen-jarjestelmien-tuotekehityksessa/

    Reply
  30. Tomi Engdahl says:

    Guide to Electronic Parts Sourcing in 2020 and Beyond
    https://www.nwengineeringllc.com/article/guide-to-electronic-parts-sourcing-in-2020-and-beyond.php

    With all the supply chain difficulties facing the world, thanks to COVID-19 and regional upheaval, designers and EMS providers both have a tough time sourcing verified components for new electronics. You may not be able to rely on a small number of distributors, and you’ll need to compile multiple resources for components.

    Electronic parts sourcing in this environment relies on one thing: access to real-time information on the supply chain that is aggregated in one place.

    Reply
  31. Tomi Engdahl says:

    Miten kehittää ideasta tuote? Osa 1: Haasteen tunnistaminen
    https://framian.fi/fi/blogi/tuote-joka-tuo-kilpailuetua/

    Reply

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