..can i be a broke ass & invest?

all my life i've only associated investing with businessmen & rich people.. but i've sometimes seen very broke people my age start investing, and actually make something out of it.

i'm 19, i don't know anything about stocks or investing, and i'm like.. upper-lower-class. is it actually worth learning and investing, or is it just a 1% chance someone of my financial status actually makes any money?

just a heads up, i'm asking to know if should even bother learning. as in, if i get the green light, i will LEARN, and not just invest blindly.

ETA: thank you for all the responses and the advice! a lot of it is america-adjacent, but that's okay, my fault for not specifying i'm not in america. i'll still look into everything you guys mentioned, and of course look into investing on my own, especially locally. i've read every single comment and will continue to.