Startup Idea Validator
Have AI play skeptical investor and brutally evaluate your startup idea.
The Prompt
I have a startup idea: [describe idea in 3–5 sentences]. Be a skeptical but fair early-stage investor. Tell me: 1) The biggest flaw in my thinking, 2) Who would actually pay for this and why, 3) The most dangerous competitor I haven't considered, 4) What would make you invest, 5) One pivot that could make this 10x better.
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Why This Prompt Works
Most startup advice is too polite. This prompt specifically asks for skepticism — which surfaces real problems early before you invest time and money.
How to Use It
Replace [describe idea] with a clear, honest description. Don't oversell it — the goal is to find weaknesses. The more real problems it surfaces, the better.
Prompt Variations
1
"What are the 3 assumptions my business idea relies on that could be wrong?"
2
"What would a customer say after trying my product for 30 days?"
3
"Write a realistic negative review of my product from a disappointed user"
4
"What are 5 reasons this startup would fail in Year 1?"