An enhanced shopping system for facilitating grocery shopping and in-store advertising is disclosed. The system uniquely changes (1) the way grocery retail industry captures and retains customers, (2) how customers organize their shopping efforts in grocery stores, (3) the approach to advertising and reaching customers, and (4) the information available to retailers and merchandisers related to customer (a) shopping patterns, (b) responses to merchandising and advertising, and (c) specific impact of discounting/coupons.