💡 Validate an idea

Turn an idea into a specific problem, a ranked list of assumptions, a Business Model Canvas and one paid experiment you can run and judge this month.

Written for solo founders and small digital teams.

Turn a vague idea into one sentence about a specific person, a painful situation and what it costs them today.

You finish with: A one-sentence problem statement and the customer who has it

A short, practical book on asking customers questions that even people who want to be nice cannot lie to you about.

Sold by an authorised seller; we link you there.

Separate what you know from what you are guessing, and find the one guess that would sink the idea if it were wrong.

You finish with: A ranked list of assumptions labelled evidence or guess

Talk to five people about their past behaviour, not your idea, and come away with patterns instead of compliments.

You finish with: Five interview notes and a one-page pattern summary

Fill in all nine boxes quickly, then mark every entry as sourced or assumed so the canvas shows where the gaps are.

You finish with: A first-draft canvas with every box sourced or flagged

Compare what happened to the line you committed to, then write down a persevere, pivot or stop decision.

You finish with: A written persevere, pivot or stop decision with the reason

A catalogue of experiment types for testing desirability, viability and feasibility, organised by the kind of evidence each produces.

Sold by an authorised seller; we link you there.

Test your riskiest assumption with a real offer, a real price and a success line you commit to before you start.

You finish with: An experiment card with a price, a channel and a pass/fail line