Customer interaction with inventory via radio frequency identification (RFID) are disclosed, where a unique RFID is combined into ID cards, credit, debit, and smartcards. The current inventory RFID technology and RFID reader are moved into a place convenient to the end-user or customer to remove the need for cashiers. Some applications include point-of-sale terminals, libraries, tool cribs, and places where customers or end-users remove items from inventories and inventories need to be monitored.