Can you share some legitimate resources for those who are looking to improve their skills? Perhaps for the different stages, first 10 customers, first 100, etc.

Can you share some legitimate resources for those who are looking to improve their skills? Perhaps for the different stages, first 10 customers, first 100, etc. It seems like the work would be different for each stage (finding product/market fit, finding a niche, scaling that niche, finding another niche, etc etc).