I think you and a lot of other readers of this thread would get much from reading about a "similar" book enterprise - Chegg, and Osman Rashid. This episode was mind-blowing for me personally https://open.spotify.com/episode/3JXLKRQaZGqiBuyyGfICYe?si=3.... It takes as much tenacity as deciding to open up a restaurant or a pizza shop.