Giving to some of the worst "friends" (or foes?) when they're getting a new burner.
Selling them on a flea market. (Although you will get little money for those, it's better than nothing.)
Or just try to sell stuff to little kids no, just kidding.
I'm happy that I only have 15 G05s left for testing stuff, two R03s and about ten CMC E01 8x +Rs, which I use for South Park episodes.
The rest of my R media is Verbatim, TY, TDK and Sony.