lot of tools and skills but I think what I have most trouble with (if not the most important point) is I don't know what problems I want to solve with it becaus

lot of tools and skills but I think what I have most trouble with (if not the most important point) is I don't know what problems I want to solve with it because there is no connection between the tools available and the problem appropriate with it. When it comes to building software it's simple (build accounting SaaS software or build a API for something) but for machine learning it's not clear as to what I'm trying to build or want to build.