Abstract: In one embodiment, the instant invention provides for a method that includes the following steps of programming a computer system to perform the steps of: receiving, from a seller, seller information for an item that the seller offers to sell; determining from the seller information: identifying characteristics that specifically describe the item and specifically identify the seller; Minimum Acceptable Price (MAP) and Minimum Acceptable Price Range (MAPR), and Maximum Allowable Number of Negotiating Chances per each buyer (MANBCs); receiving, from the potential buyer, a buyer offer for the first item and consummating a sale transaction when: a monetary amount or a range of monetary amounts submitted by the buyer respectively matches the MAP or the MAPR, and the potential buyer has not previously submitted an other offer for the item, so that a total number of offers made by the potential buyer is equal or less than the MANBCs.

Abstract: In one embodiment the instant invention provides for a method that includes: the following steps of: programming a computer system, to perform the steps of: receiving, from a seller, seller information for an item that the seller offers to sell; determining from the seller information: identifying characteristics that specifically describe the item and specifically identify the seller; Minimum Acceptable Price (MAP) and Minimum Acceptable Price Range (MAPR), and Maximum Allowable Number of Negotiating Chances per each buyer (MANBCs); receiving, from the potential buyer, a buyer offer for the first item and consummating a sale transaction when: a monetary amount or a range of monetary amounts submitted by the buyer respectively matches the MAP or the MAPR, and the potential buyer has not previously submitted an other offer for the item so that a total number of offers made by the potential buyer is equal or less than the MANBCs.

Abstract: In one embodiment, the instant invention provides for a method that includes the following steps of: programming a computer system to perform the steps of: receiving, from a seller, seller information for an item that the seller offers to sell; determining from the seller information: identifying characteristics that specifically describe the item and specifically identify the seller; Minimum Acceptable Price (MAP) and Minimum Acceptable Price Range (MAPR), and Maximum Allowable Number of Negotiating Chances per each buyer (MANBCs); receiving, from the potential buyer, a buyer offer for the first item and consummating a sale transaction when: a monetary amount or a range of monetary amounts submitted by the buyer respectively matches the MAP or the MAPR, and the potential buyer has not previously submitted an other offer for the item so that a total number of offers made by the potential buyer is equal or less than the MANBCs.