1. A computer-implemented method for facilitating the negotiation and sale of an item between a seller and a buyer across a network, said seller and said buyer being remote from one another, said method comprising: receiving, from said seller to at least one bidder, item data about said item, said item data comprising sales terms, wherein said item is at least one physical item or at least one service item for sale by said seller; counteroffering, by said seller, in response to an offer by said at least one bidder, with new sales terms to said at least one bidder, wherein said new sales terms include a new price, said new price being greater than a bid price in said offer and less than an ask price of said seller prior to receipt of said offer, and selecting a buyer of said item, and wherein communications between said seller and said buyer involve at least one electronic device.