I'd recommend you try solving a problem you're having. Not only is this some degree of verification (you're unlikely to be alone in the world having any given problem), it's also easier to find motivation working on something you yourself find helpful.

Anki, but a pseudo-terminal that drills you on a programming language's syntax. Utilizes spaced repetition.

Aims to cement fundamentals needed before leet code.

I'd recommend, since you are at university, to visit other departments and ask how you can help. You'll find much more engagement and exciting projects that can better the world.

If your goal is primarily to make money, and not understand a problem deeply enough to have some answers already, you will struggle with the goal. People who deeply understand it will out compete you.