Early Validation (by Laura Klein) — Sketchnotes
You can start your business with an idea, but according to Laura Klein (and some good damn common sense), you should really start by figuring out what your market is, and then figure out if your idea actually solves a problem that the people in the market have.
Your market is too broad. I know it before you even told me what it is. Validate your market by narrowing it.
Validate your product, and validate it early (and often too). Laura Klein gives a few good early validation tools to start with in her book:
If you want to read more, check out Klein’s UX for Lean Startups: Faster, Smarter User Experience Research and Design.