GunBrokers.com Gun Brokers Kennesaw, GA Charging false fees when buyer does not complete auction Kennesaw Georgia

GunBroker.com has been a company I have been dealing with, buying and selling over $100,000 in guns since the mid-2000's. The transactions occur through online auctions.  On numerous occurences I was selling an item and the buyer did not pay, but GunBroker.com still charges their fees even though it was an incomplete auction.  I have been trying to resolve this current issue since December 2012 without success. I have been treated rudely by representatives of their company and they could care less about the individulas who use their site. The lastest action taken by GunBroker.com has been sending me mail stating that I still owe them fees and they are threatening to report me to the Credit Bureau.  Do not use this site.