That's not quite what he was asking, FD. I think his question is this: if everyone makes money by selling stuff on the AH, where does the money to buy that stuff come from? 15% is lost from every transaction, so a substantial amount of it does come from in-game. Just playing the game on Inferno and selling to vendors can make a solid chunk of gold, especially if you're using gold find gear.
Also, is there a way to share your equipment online? I've seen a couple people do this in threads about upgrading equipment, and I'd like to try to, if possible. I'm not sure about what I should be upgrading now, since most of it's in a "good but not great" stage.
Does everyone try to keep at least one piece with increased pickup radius, btw? Not playing with this can be annoying.
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All the stars in the sky are waiting for you.
Diablo 3: DarkMac#1527.