This disclosure relates to methods and systems for selling products across sales channels in a single swipe transaction. In one aspect a method for purchasing products is disclosed. The method includes identifying a first product to be purchased from a first sales channel, determining whether the first product is available from the first sales channel, in response to determining that the first product is not available from the first sales channel, determining whether the first product is available from a second sales channel, in response to determining that the first product is available from the second sales channel, adding the first product from the second sales channel to the transaction, and selling the first product from the second sales channel, wherein the transaction is completed with a single tender.