Thirty days
answers one question well.

Pick the assumption that would sink it

Usually that a specific person will pay a specific price. Occasionally that you can reach them affordably, or deliver at a viable cost. Choose the one where being wrong ends the idea.

Testing several at once produces a muddle. One clean answer beats four ambiguous ones.

Define the failing result before you start

Write down the number that would mean no — conversations held, offers made, commitments obtained. Without it, any outcome gets interpreted as encouraging, because by then you want it to be.

This is the whole discipline. Everything else is logistics.

What the engine actually does with this question

This question routes to Startup Genius — one of 29 engagements the platform runs. It does not produce advice in general; it produces this analysis for your business:

✓ Sizes who could realistically buy this — not the size of the industry
✓ Estimates what a customer costs to acquire and what they are worth to you
✓ Tests whether the gap between those two survives contact with reality
✓ Models the cash you need and when break-even actually arrives
✓ Names the assumptions the whole idea rests on, ranked by damage if wrong
✓ Gives the cheapest test that would prove the riskiest one false

You watch the analysis get built before you pay anything. Read a complete report here if you would rather see the depth first.

Questions people ask about this

Can you really validate a business idea in a month?

You can validate one assumption in a month, which is usually enough to decide whether to continue. You cannot validate an entire business, and treating a single positive signal as proof of the whole is a common and expensive error.

What counts as validation?

Someone paying, or committing in a way that costs them something — a deposit, a signed order, a scheduled start. Enthusiasm, sign-ups and positive feedback cost nothing and predict very little.

What if the test is inconclusive?

Usually it means the test was not sharp enough — too few people, or an ask too vague to refuse. Sharpen it and run it again rather than treating ambiguity as a mild yes.