Oh man , I get that all the time , or people wanting me to tell them the trade value of their entire game collection . Luckily I ' m fully allowed to tell them to just go to our website , we have a tool for that . Unluckily , if they insist I do it , my new manager in his great wisdom doesn ' t want us to say ' no ', even if we have a bunch of people in the store to deal with . So I have to make sure I word my ' go to our website ' bit very convincingly . <| sep |> You ' re thinking of this in a wrong way . It ' s like you connecting a filter pump into an ocean and filtering the water . Over time the smog levels provided more is filtered out than produced . It ' s not something that ' s done once and abandoned you taking out the water , filtering it and then dumping into the ocean . It probably will take several years , but if it ' s true that it actually works it will eventually clear out the smog