15-25 is just the price around here....just like weed it depends on your connections and where you live....and i've done it only once...atleast i think i did real ex...cuz i've had completely fake shit once (didn't do a damn thing, later found it was birthcontrol or some shit....it was a "white butterfly" then one that i believe was real i dont' know what it was called i just know it was green.... and while on it i was thirsty the whole damn time, kinda light headed, very upity and happy.....and could not sit the fuck down for nothing! even if it wasn't real x i want it again lol