Validate demand
Check real people want it.
Learn
Validation is evidence, not opinion. Search demand, scan competitors (if others charge for it, there's a market), and ask five real potential customers.
See it
Five competitors + three people saying "yes I'd pay for that" = signal.
Try it
Plan how you'll test demand this week (search + 5 conversations).
Complete the mission
Build a page to collect interested customers.