Merchandiser with on-product financial payment system

A merchandiser for storing a product for purchase by a customer, the merchandiser comprising:

• a housing defining a cavity;
• a door coupled to the housing;
• a platform located in the cavity for holding the product;
• a load sensor structured to determine a weight of the product;
• and
• a controller coupled to the load sensor, wherein the controller is structured to:
• unlock the door based on a validation of payment information of the customer;
• receive initial weight data regarding an initial weight of the product based on the validation of the payment information;
• determine a transaction for the product is complete;
• determine a weight of product removed during the transaction based on the initial weight data and subsequent weight data regarding the weight of the product removed during the transaction, the subsequent weight data being substantially constant for a preset amount of time;
• and
• charge the customer for the determined weight of product removed during the transaction.