99gamers.com I free online Video Game Trading community!
I wanted to get rid of Call of Duty Ghosts and get the best deal for it! I sold my game on 99gamers and using their virtual currency was able to essentially buy Battlefield 4 for the costs of shipping the game!
A great site that needs to be used by all gamers
here are some links
99gamers.com/trust (a break down of everything you need to know)