Patent ID: 8781908

Claim:
A method comprising: providing a plurality of products that are each associated with a respective radio frequency identification tag; using radio frequency identification technology to automatically identify specific products within a group of the products collected by a shopper; and evaluating whether to obtain payment from the shopper based on the radio frequency identification of products in the group and as a function of a business value assigned by a seller, and then, based on the result of the evaluating, carrying out one of: obtaining payment from the shopper based on the radio frequency identification of products in the group; and auditing the products in the group, and then obtaining payment from the shopper based on the products identified by the auditing; maintaining the business value, wherein the business value is selectively adjustable by the seller; including assigning each of the plurality of products a respective difficulty rating representing the level of difficulty involved in identifying that product using radio frequency identification technology; wherein the evaluating includes selecting one of a plurality of different difficulty thresholds as a function of the business value; and carrying out the auditing and the obtaining of payment based on the auditing if any of the products identified by radio frequency identification technology has a difficulty rating in excess of the selected difficulty threshold.