How can i start making moneyzzz off dis?

im pretty good at drawing and ive had a few people say they'd pay me to draw them, but i wanna like become more known and start drawing people other than fellow classmates.. but idk how to go about that. like just stand on the street corner with a pencil yelling at people.. how could i advertise that i guessss? cheaply please i po. and what would be a good starting price?