I have bought literally hundreds of CDs from Amazon USED.
Very cheap, and always satisfied. Over the years I think I had one disc that was scratched, and the fellow that I bought it from sent me back my money and told me to throw it away.

Axioms; For when you've just Gotta have More Cowbell! 60s 150 350 8s 2is RX-V2500 DVD-C750 2900