What to do about fake friends ?

ok so i was havng a party and my friends refused to spend ten dollars to chill with me on my birthday. half the time theyll start drama with me for fun. their backstabbing bitches and the guys are the worst. ( please dont think these are all my friends . . im only talkin bout like 5 of them ) their in all my cles so i need to still talk to them other wise il be by myself and i need them for help with school . . idk what to do like please convince me . .like i still enjoy talking to them but at the same time they tell people or will trun against me yet i still keep going back