Being the same age, and under the same sort of financial circumstances, I can honestly say that- hey. I get you. I understand where you’re coming from, as far as “wanting nice things” goes.
A) There’s a certain charm that comes from 2nd hand clothes that new stuff will never achieve. Ever.
B) You want nice things? Your personality is the nicest thing ever. And no one else is even allowed to have it<3
Cheer up, dearie.