I locked a game to guarantee I received it when it comes out. How it works is you have to return a game before the new game comes out so they can ensure it can be sent to you. However the last time I sent a game back it took them over four days to confirm it with fast return only for it to fall into the time period of the locked game and now I've received no game until the new game comes out a week from then and of course three days after the game had came out already I had still not received it. I pay almost $30 for two games at a time and always have problems with the return even with fast return and game lock only ensures that I don't have a game for 1/3 of the month. The poor service and bad business would have ended them a long time ago if they had any rival in their industry.