User Activity

Is there anyway at all to warn other sellers about a particular customer who has bought nothing but instead likes to bid and retract bids repeatedly and pester you with questions for months on end? I have finally blocked this person and hoping this s...
Hey folks, first time I've used the boards, so nice to meet you all. Anyway I've had some problems lately with frustrating customers who either don't want to pay but bid anyway and then ask to be let out (then send me three dozen or so emails ummming...