User Activity

How can I remove a bid from an item I am listing from a buyer who has only one positive feedback and that was in 2007? Usually my suspicions that certain potential buyers will turn out to be non-payers are usually right and time wasters can usually b...
Is it possible to leave negative feedback for non-payers? The only way I seem able to do this is to leave the negative feedback in the positive feedback. It doesn't seem fair that you can't warn other sellers about non-payers and if you do it shows u...