Book

The Four Steps to the Epiphany

Steve Blank · Wiley Paid Advanced

The book that coined get out of the building and launched the customer development movement. Blank's core claim is that a startup searches for a business model rather than executes one, so your early job is to test hypotheses against real customers before you scale anything. It is heavier than The Mom Test, but it gives you the full framework for validating a market before you build for it.

  • Startups search for a business model, they do not just execute a plan
  • Test your riskiest assumptions with real customers before committing to build
  • Customer discovery and validation come before you spend on customer creation
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It answers 10 questions

  1. What questions should I actually ask in a customer interview?
  2. How do I know if my idea is a real problem or just a 'nice to have'?
  3. Should I focus on one customer segment or serve everyone who'll pay?
  4. What's the difference between a customer saying they'll pay and actually pulling out a card, and how do I test the real one early?
  5. I've exited one company. Does my past success give me founder-market fit in a totally new industry?
  6. What are the biggest mistakes founders make trying to land their first customers that I should avoid?
  7. How many customer conversations should I do before I start building versus building a rough version to learn faster?
  8. As a domain expert leaving my industry job, how do I turn my old network into first customers without seeming like I'm exploiting them?
  9. How do I tell the difference between a nice-to-have problem and one people will actually change their behavior to fix?
  10. How much should I spend building an MVP as a bootstrapped founder in India, and where does the money actually leak?

Read with it

  1. The single best thing ever written on customer conversations. It teaches you to ask about the customer's life and past... momtestbook.com Book · ~130 pages The Mom Test Rob Fitzpatrick
  2. Video · ~25 min How to Talk to Users Eric Migicovsky
  3. The permission slip to recruit users by hand, do things manually, and deliver 'insanely great' experiences to your first few... paulgraham.com Essay · ~15 min read Do Things That Don't Scale Paul Graham
  4. The essay that put 'product-market fit' into the startup vocabulary. Read it for the gut-level description of what PMF feels... pmarchive.com Essay · ~15 min read The Only Thing That Matters Marc Andreessen
  5. Turns the vague feeling of product-market fit into a number you can move. Ask users how they would feel if they could no longer... First Round Review Article · ~20 min read How Superhuman Built an Engine to Find Product/Market Fit Rahul Vohra
  6. The definitive essay on where good ideas come from: notice problems you personally have, don't force it. Use it as the lens for... paulgraham.com Essay · ~20 min read How to Get Startup Ideas Paul Graham
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