https://www.indiehackers.com/post/how-to-brainstorm-great-bu...
High level:
https://www.oreilly.com/content/how-to-create-products-peopl...
How to get started:
https://stackingthebricks.com/guides/your-first-10k/
A helping hand:
https://stackingthebricks.com/launchftw/