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The MVP Trap: Why Most Minimum Viable Products Are Neither Minimum nor Viable

The most expensive mistake in product development is not building the wrong thing badly. It is building the wrong thing brilliantly.

The term MVP has been so thoroughly co-opted by product culture that it has lost most of its meaning. Depending on who you ask, it is either a rough prototype you can show investors on a Tuesday, or a fully featured product with a mobile app, a web dashboard, an admin panel, and a Stripe integration built in six months by a team of twelve.

Neither of these is actually a minimum viable product. And the confusion between them costs founders and product leaders an enormous amount of time, money, and momentum every year.

What an MVP is actually for

The original definition from Lean Startup is precise: an MVP is the smallest thing you can build to test your most important assumption. Not your second most important assumption. Not a list of assumptions. The single most important one.

Before you write a line of code, the discipline of MVP development demands that you answer one question clearly: what is the core belief your entire product rests on, and how will you know if it is true or false?

Most teams skip that discipline and go straight to building because it feels more productive to ship than to think. The result is something that is far larger than necessary and still does not produce the evidence needed to make the next decision confidently.

The two traps

In our work building MVPs for founders across Europe and beyond, we see teams fall into two predictable traps:

  • Scope inflationThe validation experiment gradually acquires enough features to become a six-month build, while the original hypothesis gets buried under backlog noise.
  • Technical corner-cuttingTeams stay minimal by shipping something that demos well but breaks under real usage, creating a throwaway MVP that harms first impressions.

What we do instead

Our MVP practice starts with something most development firms skip: a hypothesis sharpening session. Before architecture decisions, design work, or sprint planning, we work backwards from the product vision to identify the single riskiest assumption it rests on.

Then, and only then, we design the minimum system that tests that assumption cleanly, quickly, and with production-quality code that can scale when the hypothesis is validated.

The result is a product that is genuinely minimal, because everything that does not contribute to the test has been stripped away, and genuinely viable because it works properly, produces real signal, and gives you a foundation you can keep building on.

Three to six weeks from kickoff to first working prototype, not because corners were cut, but because the unnecessary work was removed before the build began.