How I validate features in 3 days (after wasting $20K)

Built a feature for 3 months. $20K invested. 0 sales.

The moment I realized I never validated the idea first 👇

Now I do this instead:

• 3-day video prototype
• Real user data before code
• Kill or commit with confidence

Full process: https://youtu.be/C2bAB-s-lb4

Validating this service now. 3 free spots for indie hackers.

Comment your project for selection.