Amazon.com
Seller Accounts Suck: Never Paid Then Banned! Amazon.com unfair selling practices cheat sellers of all their money then they bail! Online
I too, have been a victim of amazon sellers. My account (which I sold only 3 items on) was mysteriously banned and they refuse to send me my money. You call them and you are forced to send an email to god knows where where they send you canned responses. I have read other emails on this same topic ...