Patent ID: 8332270

Claim:
A computer, comprising: a transceiver operable to receive product information and transmit a discount; a processor, wherein the processor is configured with processor-executable instructions to perform operations comprising: the processor receiving product information; the processor receiving a first lowest price for the product and a store price for the product from a first retailer; the processor defining a seeding store price based upon the store price from the first retailer; the processor receiving a second lowest price for the product as offered from each of a plurality of second retailers; the processor determining participation among at least one the plurality of second retailers; the processor determining consumer costs associated with purchasing the product from the first and the participating second retailers; the processor defining a bid increment; the processor determining a first offer in which (i) the first retailer presents the seeding store price as an offer and (ii) each of the participating second retailers subtract the associated consumer costs and the bid increment from the seeding store price to determine an offer for each of the participating second retailers; the processor determining a subsequent offer, comprising: (a) preventing the first or participating second retailers from participating further if the first offer is below or equal to the first or second lowest price as defined by each of the first and participating second retailers respectively; (b) recalculating the offer for each of the remaining first or participating second retailers as remaining after (a) by subtracting the bid increment from the remaining first or participating second retailers' previously calculated offers; and (c) repeating steps (a) through (b) until a final offer is determined; and the processor transmitting a discount to purchase the product from each of the first or participating second retailers, wherein the discount is based on the most recently determined offer for each of the first and participating second retailers.