I bid on an item.I was the high bidder with about 4 dollars to spare/. A bidder came along, bid about 50 cents higher then my maximum,became high bidder, then promptly canceled bid, bid again at an amount about a dollar lower then my maximun. Why are they allowed to bid again if they already know what my maximum bid is and their bid is lower? This is just allowing them to push to price up with no consequences.