Any advice for a 16 y/o who is trying to learn business?

Hello Indie Hackers,

Six months ago (around oct 2022), I began learning about making money and entrepreneurship. The bulk of my work has been reading books and working through a large digital marketing course on Udemy. I have been practicing acquiring followers and attention across Twitter and Instagram as taught by the digital marketing course.

As a student, I do 3 hours of revision per day which eats into the amount of time I can spend on learning how to make money. Do you agree with this decision?

Anyway, I realise that doing udemy courses and reading books alone isn't going to get me anywhere. I was wondering if you had an idea of where to go from here. Something where I can get more practical which teaches me a lot in the process and doesn't risk a large amount of money, perhaps?

Thanks everyone.