Suman Chatterjee

Mar 31, 2026 • 14 min read

Why Most SaaS Founders Are Building Products Nobody Actually Wants (The Validation Trap)

The founders who fail aren't reckless. They're careful, committed, and completely convinced they're doing the right things. That's what makes this so hard to see coming.

Why Most SaaS Founders Are Building Products Nobody Actually Wants (The Validation Trap)

Written by Suman Chatterjee

You spent nine months building it. You know every line of code, every edge case, every pixel. And then you launched. And heard nothing.

Not bad reviews. Not angry emails. Nothing.

The Graveyard Nobody Talks About

Ninety percent of startups fail. You've heard that number so many times it stopped meaning anything.

Here's the number that should actually bother you: in a CB Insights analysis of 101 failed startups, 42% cited "no market need" as a primary cause of death. [1] Not bad code. Not poor execution. Not running out of money (that was second at 29%). They built something nobody wanted. That was the whole problem.

Forty-two percent. Nearly half. And most of those founders didn't know it until it was too late.

This isn't a story about effort. These were people working 80-hour weeks, pitching investors, hiring teams. Effort wasn't missing. What was missing was a real answer to a deceptively simple question: does anyone actually want this?

How Smart People End Up Here

The validation trap doesn't catch stupid people. It catches smart ones.

It goes like this. A founder, usually technical, usually smart, often with domain experience, spots what looks like a problem. They've felt it themselves. It's annoying. It seems like it should be solved. So they start building.

And because they're smart, they can build fast. Because they're experienced, they know what "good" looks like. And because they're optimistic (founders have to be), they assume that a well-built solution to a real-feeling problem will find its market.

That assumption is where everything goes wrong.

"Feels real" and "is real" are not the same thing.

The Four Flavors of Fake Validation

Here's where it gets specific. Because bad validation doesn't look like no validation. It looks like some validation. Enough to keep going. Enough to feel like you're doing the right things.

Most founders stumble into one of these four traps:

  • The Compliment Trap. You show your idea to friends, colleagues, or people you meet at networking events. They say it sounds cool. They say they'd use it. They say "wow, you should build this." They mean it. They're being kind. But kind ≠ true. There's a name for this in behavioral economics: social desirability bias. People tell you what they think you want to hear, especially when you're clearly excited. [2]

  • The Survey Trap. You send out a Google Form. Forty people respond. Seventy percent say they'd pay for your product. So you build it, launch it, and almost none of those seventy percent actually buy. Intention and behavior are separated by an enormous gap. The research literature calls it the "intention-behavior gap," documented across every domain from exercise to dieting to software purchasing. [3]

  • The Expert Trap. You talk to people in the industry. They tell you the problem is real. Maybe they're advisors, investors, or mentors. They know the space. They say things like "the market is definitely there." And so you trust them. But they're not the buyers. They're not the ones who'll open their wallet at 11pm on a Tuesday. Their validation is secondhand at best.

  • The Personal Pain Trap. This one is the trickiest. You built something to solve your own problem. You are the customer. You know the pain is real because you've felt it. But you are not a representative sample. You might be the only person on earth who has that specific pain, cares enough to solve it, and has the skills to build the solution. That's a market of one. And markets of one don't scale.

None of these feel like bad validation in the moment. That's what makes them traps.

The Mom Test Problem

Rob Fitzpatrick wrote a short, sharp book called The Mom Test in 2013 that nailed the core issue in one sentence: "You shouldn't ask your mom whether your business is a good idea. It's a bad question and she'll lie to you because she loves you." [4]

The point isn't about moms. It's about asking questions that make it easy for people to lie without realizing they're lying.

"Would you use this?" is a mom-test question. "Have you tried to solve this before, and what happened?" is not.

The distinction is between hypothetical future behavior and documented past behavior. Past behavior is hard data. Hypothetical behavior is a wish.

The best validation interview questions share a few traits:

  • They ask about the past, not the future.

  • They ask about behavior, not preferences.

  • They ask about pain, not interest in solutions.

  • They never mention your product until you absolutely have to.

"Tell me about the last time you ran into this problem. What did you do?" is worth a hundred surveys.

The Other Side of the Trap: The Overcorrection

Some founders learn about validation traps and overcorrect into paralysis.

They interview 200 people. They run extensive market research. They build decks full of TAM/SAM/SOM calculations. They wait until they feel "certain."

Certainty never comes. The market doesn't give receipts in advance.

Eric Ries coined "validated learning" in The Lean Startup. Not as a way to avoid building, but as a way to build in short loops where each iteration either confirms or kills an assumption before you sink more time into it. [5] The goal isn't perfect information. It's just better information, faster.

There's a hierarchy to how good validation evidence is. At the bottom: opinions and surveys. In the middle: letters of intent, waitlist signups, pre-orders. At the top: cash. Money exchanging hands before the product is built is the only signal that cuts through all the noise.

Cash is hard to fake. Everything else is easy.

What Real Validation Looks Like

Notion didn't launch to the public until 2018. Before that, they spent years iterating based on real users, real usage, real feedback loops, including a near-death product rewrite in 2015 that almost killed the company. [6] They did not scale until the product worked. Working meant people came back without being asked.

Superhuman, the email client, built a methodical pre-launch validation engine. They interviewed hundreds of users and asked one specific question before anyone saw a product: "How would you feel if you could no longer use Superhuman?" If the answer wasn't "very disappointed" from at least 40% of respondents, they kept iterating. [7] That framework, now called the Product-Market Fit Survey, came from Sean Ellis, who ran growth at Dropbox and Eventbrite. [8]

What both examples share isn't money or talent. It's a willingness to hear "not yet" and treat it as data.

The Four Questions That Actually Matter

Before you write a single line of production code, before you name the thing, design the logo, set up the landing page, answer these four questions with evidence:

  • Is there a painful problem? Not an inconvenience. Not a mild annoyance. A real, documented, recurring pain that people are already spending money or time trying to solve in some clunky way. Workarounds are your best friend here. If people have built elaborate workarounds, the pain is real.

  • Are there enough people with this problem? A market of 10,000 people who'd each pay $100/year is $1M ARR. That might be fine. A market of 50 people who'd each pay $1,000/year is $50K ARR. That's a consulting project. Know which one you're building before you start.

  • Will people pay to solve it your way? There's a difference between a problem people want solved and a problem people want solved by your specific approach. Both have to be true.

  • Can you reach them? Distribution is half of product-market fit. A perfect product that can't reach its customers is a tree falling in an empty forest.

No answer, no build. Partial answers mean more questions. Full answers with evidence mean go.

The Fastest Validation Method That Almost Nobody Uses

Sell it before you build it.

This sounds uncomfortable. That's why nobody does it. But there is no faster way to learn if anyone actually wants what you're making than to ask them for money before it exists.

You don't need a product for this. You need a clear description of the problem you're solving, a credible explanation of how you'd solve it, and a price. A landing page with a payment button. A cold email with a calendar link. A phone call that ends with "would you pay $X for this?"

If the answer is no, or worse, an endless series of "maybes" with no commitment, that's information. Expensive information if you'd already built the thing. Free information if you ask first.

Paul Graham wrote about this in his essay "Do Things That Don't Scale" in 2013: "The most common unscalable thing founders have to do at the start is to recruit users manually." [9] But recruiting means selling. And selling means asking for a yes or a no. A real one.

The Emotional Architecture of the Trap

There's a psychological reason this is so hard, and it's not stupidity or laziness.

Building something is an act of identity. When you spend six months on a product, it stops being "the thing I'm working on" and becomes "who I am." At that point, every piece of negative validation isn't just market data. It feels like rejection. Of you. Of your judgment. Of your competence.

This is why founders unconsciously seek confirming evidence. It's why they reframe "I wouldn't pay for that" as "they don't understand the vision yet." It's why they launch to friends first, journalists second, and actual paying strangers third or never.

Psychologists call this motivated reasoning: the tendency to process information in a way that leads to the conclusion you already want. [10] It's not a flaw in bad founders. It's a feature of human cognition.

The antidote isn't to stop caring. It's to build the validation process before you're emotionally invested. Do the interviews, do the pre-sells, do the hard conversations before the product exists, when the data is cheap and the ego cost of a "no" is low.

The Time Dimension Nobody Mentions

Product-market fit isn't a binary. It degrades.

A product can have fit in 2018 and none in 2022. Markets shift. Competitors emerge. Customer expectations change. What felt like validation once doesn't stay valid forever.

Instagram validated Stories in 2016 by copying Snapchat's core mechanic because their own user behavior data showed that the consumption pattern had shifted. [11] They didn't build it because it was clever. They built it because the evidence demanded it.

The same principle applies in reverse. If your retention is degrading, if your churn is creeping up, if your NPS is drifting south, those are re-validation signals. The market is telling you something. Most founders treat this as a conversion problem or a marketing problem. Sometimes it's a product problem. Sometimes it's a fit problem. Sometimes it means the market moved and you didn't.

The Specific Mistakes First-Time SaaS Founders Make

This is the practical section. Here's what the pattern looks like in practice, based on documented post-mortems:

  • Building for a persona, not a person. "Mid-market HR manager in a company of 200-500 employees" is a persona. Sarah, who runs HR at a 300-person logistics company and is drowning in manual onboarding workflows because her HRIS doesn't integrate with Slack, is a person. Personas flatten the real, specific, observable pain. Real validation requires real people. [12]

  • Skipping the "why now" test. If this problem existed five years ago and nobody built this solution, that should give you pause. Either it's been tried and failed, or the market isn't big enough to attract serious attempts, or the timing genuinely is different now. Know which one. "Why now" is one of the most important venture investment questions, and it's just as important for founders. [13]

  • Confusing engagement with validation. People using your free tier doesn't mean people will pay. Downloads don't mean usage. Sign-ups don't mean sessions. Every metric one step removed from revenue is a proxy. Proxies lie. Track the real thing.

  • Treating the waitlist as evidence. A waitlist of 5,000 people is not validation. It's a list of emails. The conversion from waitlist to paid is routinely 1-5%. Most waitlist subscribers signed up because the landing page was compelling, they were bored, or they wanted to see what it was. Almost none of them are your customer.

A Framework for Not Fooling Yourself

Steve Blank, the godfather of customer development, built a methodology around one core insight: startups are not smaller versions of big companies. They're search engines. Searching for a business model. [14]

The Customer Development model he built, later refined by Eric Ries into the Lean Startup, puts customer conversations before product development, not after. Not as a formality. Not as a box to check. As the actual work.

The specific sequence matters:

  1. Customer discovery. Talk to 20-50 people in your target market. Not about your solution. About their problem. Take notes. Look for patterns. Kill any assumption that doesn't survive contact with real people.

  2. Customer validation. Test whether people will actually buy. Use the simplest possible version of the product, or no product at all. Charge money. Watch what happens.

  3. Customer creation. Only after validation do you build the marketing and sales machine that scales.

  4. Company building. Only after creation do you start building an actual organization.

Most founders skip steps one and two entirely. Or they do them in a weekend and call it done. Or they do them but only talk to people who already like the idea.

The Sycophancy Problem in AI-Era Validation

There's a new wrinkle worth naming. An increasing number of founders are now using AI tools to "validate" their ideas, feeding concepts into chatbots and asking whether the market is real, whether the TAM is sufficient, whether the approach makes sense.

This is not validation. This is sophisticated compliment-seeking.

AI tools are trained to be helpful and to produce confident-sounding answers. They will find market data that supports almost any premise. They will generate enthusiastic analyses. They will not tell you, with any reliability, whether specific human beings will open their wallets for your specific product in your specific market at this specific moment.

The only entity that can tell you that is the market itself.

What to Do Right Now

If you're pre-build: don't open a code editor. Open a calendar. Schedule 10 conversations with people who could plausibly be your customer. Ask them to walk you through the last time they ran into the problem you want to solve. Don't pitch. Listen. If three of ten people describe the same pain unprompted, you're onto something. If nobody mentions it without your prompting, you're not.

If you're mid-build: stop adding features and find five people who will pay you right now for what you've already got. If you can't, that's the most important data point you have.

If you've already launched and it's not working: do a churn interview on your last five churned customers. Not a survey. A call. Ask them what made them stop. The answer will be uncomfortable and it will be more valuable than anything else you can do this week.

The Last Thing

The validation trap isn't about naivety. It isn't even about being wrong.

It's about asking questions designed to confirm instead of questions designed to reveal. It's about treating soft signals as hard evidence. It's about the very human desire to keep building something you love without pausing to find out whether anyone else gives a damn.

The founders who avoid it aren't smarter. They're just more comfortable being wrong early, when wrong is cheap.

Because wrong at month three is a pivot.

Wrong at month eighteen is a eulogy.


Citations

  1. CB Insights. The Top 12 Reasons Startups Fail. CB Insights Research, 2021. https://www.cbinsights.com/research/report/startup-failure-reasons-top/

  2. Nederhof, Anton J. "Methods of Coping with Social Desirability Bias: A Review." European Journal of Social Psychology, vol. 15, no. 3, 1985, pp. 263–280.

  3. Sheeran, Paschal. "Intention–Behavior Relations: A Conceptual and Empirical Review." European Review of Social Psychology, vol. 12, no. 1, 2002, pp. 1–36.

  4. Fitzpatrick, Rob. The Mom Test: How to Talk to Customers & Learn if Your Business Is a Good Idea When Everyone Is Lying to You. Robfitz Ltd, 2013.

  5. Ries, Eric. The Lean Startup: How Today's Entrepreneurs Use Continuous Innovation to Create Radically Successful Businesses. Crown Business, 2011.

  6. Chen, Ivan. "The Almost-Failure of Notion: A Startup Story." Growth.Design, 2021. https://growth.design/case-studies/notion-onboarding

  7. Vohra, Rahul. "How Superhuman Built an Engine to Find Product/Market Fit." First Round Review, 2018. https://review.firstround.com/how-superhuman-built-an-engine-to-find-product-market-fit

  8. Ellis, Sean. "Find a Growth Hacker for Your Startup." Startup-Marketing.com, 2010. https://www.startup-marketing.com/the-startup-pyramid/

  9. Graham, Paul. "Do Things That Don't Scale." PaulGraham.com, July 2013. http://paulgraham.com/ds.html

  10. Kunda, Ziva. "The Case for Motivated Reasoning." Psychological Bulletin, vol. 108, no. 3, 1990, pp. 480–498.

  11. Newton, Casey. "Instagram's Kevin Systrom on Stories, Snapchat, and His Plans for IGTV." The Verge, June 2018. https://www.theverge.com/2018/6/20/17478788/instagram-kevin-systrom-igtv-stories-snapchat-facebook

  12. Maurya, Ash. Running Lean: Iterate from Plan A to a Plan That Works. 2nd ed., O'Reilly Media, 2012.

  13. Thiel, Peter, and Blake Masters. Zero to One: Notes on Startups, or How to Build the Future. Crown Business, 2014, pp. 26–29.

  14. Blank, Steve. The Four Steps to the Epiphany: Successful Strategies for Products That Win. 2nd ed., K&S Ranch, 2013.

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