Ive never sold a CDR of ANYTHING (music,games, whatever) to anyone. Me and my friends are all gamers so we all respect each other and never think twice about "payment" for games with each other.
Besides, CDRs are so cheap anyway... me and my friends usually just have a few spindles of 'community' blank CDrs we use.
In terms of being paid for the time involved:
The TIME put into finding ISOs and burning them always seemed like part of the fun to me. I always liked wading thru things and trying to make things work correctly. Even if im just taking the time to make a CDr to give my friends, I'm usually excited to share games with them, because I know they appreciate it, and would do the same for me.
to me, its always been about the games, not money.