Abstract: A method of automated negotiation is provided. The method is implemented using at least one computer, and includes receiving, from a seller, an ask price for an item and a accept price for the item. The method also includes storing the ask price for the item and the accept price for the item in a memory element provided by the at least one computer. The method also includes providing the ask price for the item to a buyer and receiving, from the buyer, an offer price and a max price. The method also includes storing the offer price for the item and the max price for the item in the memory element. The method also includes calculating a final transaction price using the at least one computer and assessing a penalty to the buyer based at least on the offer price.