You can't sell clothes. At least I don't think so.
no coz i acceddently baught 2 of the same things, and i looked for anything to sell the 2nd 1 but there wasn't anything
on the very end of sludge street there is a shop where you can sell your items. :) Dude, actually, you should try amazon or ebay.
you cant actually sell outfits on moshi monsters only items to put in your room
i expect they will at the market place if not i dunno.