FYI, to help put this into perspective. . .
Where I am (rather not say exactly. . .West Coast), Oxycontins on the street go for $20 for a 40 and $30 for an 80. It varies, but that's approximate.
5/500 generic Percs have been sold for up to 5 dollars a copy (outrageous). 5/500 generic hydros, $2.50 - $3.00 a piece. Norcos, or the generic equivalent, 4, usually, 5 bucks per pill. Why these meds are diverted is apparent.
How do I know? Just running into people making offers; they're out there. Fortunately, I've been able to obtain legit scrips from my physician and, later, an ROP, for Watson generic 10/325s for considerably less than 5 dollars a piece.
Good luck. . .May you be pain/anxiety free.