A merchandiser for storing a product for purchase by a customer is disclosed. The merchandiser includes a housing that defines a cavity for storing the product and a controller for facilitating a transaction for the product at the merchandiser. The controller is configured to: receive an input to initiate a transaction for the product, the input including a type and an amount of product to be purchased; unlock a door of the merchandiser to enable a removal of the product based on receiving the input; determine a completion of the transaction based on the door being in a close position for more than a preset amount of time; and charge the customer for the type and amount of product based on the completion of the transaction.