In the past I wanted to do the same because I have the same problem as you but I never actually gotten around to executing the learning part… The one resource that picked my attention the most is https://youtu.be/didXE0HkSC8 ("Learn Mathematics from START to FINISH (2nd Edition) "). It’s a 37 minute video with dozens of book recommendations and how you should proceed with the order of those books.
Notepad# when?