Building a product in 20 hours and growing it to a 5-figure ARR

TL;DR: A founder built a product MVP in just 20 hours and grew it to 5-figure ARR by focusing on speed over perfection, solving a clear problem, and iterating based on user feedback. The extreme time constraint forced ruthless prioritization of essential features. Success factors: quick validation, lean execution, and doubling down once product-market fit signals appeared.