What is in demand in the world of a 17 year old?
Do you as a 17 year old have your pulse on the wants & needs of people your age?
What do your peers want and what do they spend their money on?
Putting aside illegal things like drugs or getting booze for minors or bootlegging mass music to resell what are the other things that someone in your age & education group would have access to expand on and capitilize on.
Young people spend money on
entertainment
tech gear
clothes
social connections
enchancing their public image or rep
Do I have tech skills? Would I need to hire them out?