Prices for items sold between players on the Auction House will inevitably rise, of course, but buying items in this manner is not necessary for completing the game. If anything, it helps the regular gamers, who can get more money selling shiny items they find on monsters in the game world, and save up for their epic mount that much faster. Still, it is annoying for people who enjoy player-versus-player combat to see hordes of newbies decked out in ridiculously expensive and powerful armor that they didn't have to "earn" in the traditional manner.