1. Google Trends
2. Market and competitor analysis
3. Post your idea on Kern.al (I have an invite so you can skip waitlist)
4. Post your idea everywhere else online, and collect emails
5. Survey or interview potential users
6. Collect pre-sale payments
7. Campaign with a Minimum Viable Product (MVP)
Full article:
https://www.entrylevel.net/post/...
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