Help! Birth Control

Vic

I’m 17 and want to get on birth control. Not only because I’m sexually active, but my period lasts 7 days and the pain is pretty bad. I live with my dad and unfortunately he doesn’t believe in birth control and everything like that so I’ll have to pay for it myself and without him knowing. Mind you i do not have insurance. Not only is the price stressing me out, but the whole process of getting it as well. Idk how to go about it and I’d like to how what the process of getting birth control is like