User Activity

I think a buyer who fails to pay should receive an automatic and visible negative feedback so other sellers know. As it is, a seller has no idea if a person repeatedly failed to pay, repeatedly paid very late or only paid after the Unpaid Item proces...
This is extremely annoyong. Even when the address is correct in a listing, if I relist it or create a new one, my old address automatically shows up under location. My correct address is in my account, so I see no reason for this.