If you have the time the best tool for quick valuation is Discogs. Using their app you can scan bar codes and get a valuation on the spot.
I'd then sell on eBay using very conservative (i.e. Low) prices and fixed duration sales with free shipping (media mail) and eBays global shipping service. This is about as easy as it can get but you are still looking at 10 minutes of so a CD
I'd then sell on eBay using very conservative (i.e. Low) prices and fixed duration sales with free shipping (media mail) and eBays global shipping service. This is about as easy as it can get but you are still looking at 10 minutes of so a CD