Our Biggest Mistake in the Build (So Far)

Every founder has a mistake that sits heavier than the others. Ours, so far: spending too long expanding surface area before the core conversation-to-booking path is proven with real people in private testing.

The mistake

We spent too long building a feature set before validating that the core experience was good enough for real people in private testing. We were so focused on having a "complete" product before public launch, covering flights, hotels, trip management, voice input, and payment processing, that we delayed getting the core conversation-to-booking flow in front of real people.

Weeks of engineering time went into features that, while eventually valuable, were premature. We should prove the core flow with private testers, get real feedback, and iteratively added features based on what travelers actually need.

Why it seemed reasonable

The logic was compelling. Travel is complex. Users expect a complete experience. Shipping something half-built would create a bad first impression. Better to launch with a polished, comprehensive product.

This logic was wrong. First impressions are not formed by feature completeness. They are formed by the quality of the core experience. A product that does one thing brilliantly is more impressive than a product that does five things adequately.

The sunk cost trap

By the time we started suspecting the approach was wrong, we had invested weeks of engineering time. Sunk cost bias kicked in hard. "We are so close to finishing this feature set. Let's just push through."

That "just push through" mentality added an estimated two to three more weeks before we finally acknowledged the mistake. Every day of delay was a day we were not learning from real people in private testing.

The consequences

Time lost. Weeks of building that could have been weeks of learning. Some of the features we built before launch needed significant reworking after real user feedback. We could have done one round of that rework instead of building and then reworking.

Momentum delayed. Real user feedback is energizing. The team thrives on seeing people use the product and hearing their reactions. Delaying that feedback loop delayed the team's motivation and clarity about what mattered.

What we changed

We introduced bi-weekly "are we building the right thing?" reviews. Every two weeks, we stop and ask: is what we are currently building validated by user evidence? If not, we stop and validate before continuing.

We established explicit kill criteria before starting any significant build. Before engineering begins, we define what would cause us to stop or pivot. This prevents the sunk cost trap from taking hold.

We formalized team retrospectives after every significant pivot or correction. The whole team discusses what happened, what we learned, and what process change prevents repetition.

The next mistake

Here is the uncomfortable truth: the next mistake is probably already happening. We are building something right now that will turn out to be wrong in some way. The difference is not avoiding mistakes. It is detecting and correcting them faster.

Our validation loop is tighter now. Our kill criteria are clearer. Our willingness to stop, reassess, and redirect is stronger. The mistake taught us that speed of correction matters more than speed of completion.

If you are a founder reading this, here is my advice: ship before you are ready. Get real feedback before you are comfortable. And when the sunk cost voice in your head says "just push through," that is usually the moment to stop and ask whether you are building the right thing.

Nowah is an AI travel agent that searches and books real flights and hotels through conversation — no filters, no thirty open tabs. Plan your next trip.