Just so we are comparing apples to apples, Classifieds is not an auction script; it's a classifieds script with bidding capability built-in. Like all of our products we will continue to improve the features, but because we aren't just an auction script we don't always know who the buyer of an item is (when an item is sold without bidding). Multiple feedbacks work as long as you use only bidding and know who has purchased what and how many times.
Please do not PM me for support or sales questions. Thank you for your understanding.