Merchants in this category operate warehouse-style retail stores, sell in bulk, and concentrate on price appeal. These merchants sell a full range of household goods and merchandise, groceries, furniture, electronics, appliances, and auto supplies. These merchants may or may not have membership requirements. Gas, fuel, wholesale specialty service purchases such as travel, insurance, cell phone and home improvement will not qualify in this category. Delivery service merchants will be included if they classify as a wholesale club merchant. Mastercard not accepted at Costco warehouses or at gas stations.