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The harshest feedback you'll get without talking to a VC. Validates ideas before you waste months.
I want you to brutally critique my business idea. Don't be nice. Be the most skeptical, experienced investor in the room. Business idea: [DESCRIBE YOUR IDEA] Attack it from every angle: 1. **Market size reality check** — Is the TAM actually big enough? Are the numbers real or made up? 2. **Competition** — Who already does this? Why haven't they dominated? Why will you win? 3. **Unit economics** — How does money actually flow? What are CAC, LTV, payback period? 4. **Founder-market fit** — Why YOU? What's your unfair advantage? 5. **What has to go right** — List every assumption that needs to be true simultaneously 6. **The fatal flaw** — What's the one thing that could kill this that you're probably ignoring? 7. **The charitable read** — If this works, why does it work? Score it 1-10 and tell me if you'd fund it.
Amazon-style pre-mortem. Finds failure modes before they happen. Saved me from 2 bad decisions.
It's 12 months from now and [PROJECT/DECISION/PLAN] has completely failed. Pre-mortem analysis: 1. **What went wrong?** — List the 5 most likely causes of failure, in order of probability 2. **Early warning signs** — What signals would have told us 3 months in that we were headed for failure? 3. **What we ignored** — What concerns were raised and dismissed that turned out to be right? 4. **The fatal assumption** — What single assumption, if wrong, causes everything to collapse? 5. **The fix** — For each failure mode, what's the mitigation strategy? Project/plan to analyze: [DESCRIBE IT IN DETAIL] Be pessimistic. Your job is to find every way this can go wrong.