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Danny Van den Bergleft a comment
Hey Product Hunt I'm Danny, solo founder behind Problem Ledger. A month ago I had 500+ people on a waitlist for my previous product, WoonKompas. I spent €50k building it. The moment we turned on paid access, conversions dropped to zero. Not a single person paid. I realized I'd validated the wrong thing. I proved people had the problem. I never proved they'd pay to solve it. That failure taught...
Problem LedgerValidate startup ideas with evidence, not assumptions
After spending €50k on a product nobody paid for, I learned: validating a problem exists isn't enough. You need proof people will pay to solve it.
Problem Ledger captures evidence while you browse. See someone complaining on Reddit? Save it. Read about a pain point? Capture it. Build proof a problem is real before investing time.
Problem LedgerValidate startup ideas with evidence, not assumptions