Books recommendation? try something to learn about the stocks market, idk how it works in your country, but try to learn about the American rules, how everything works, market instruments, how to invest in mid-long term, what is a healthy company to invest, what's the performance some ppl get in the market, there's literally some good things i would love to discover this younger about it...
The differences between a speculator, and an investor. (but they are both betting at some point)
Learn about the 3 schools: (Fundamental analysis, Tecnical Analysis and Tape reading)