Abstract: An electronic cash management methodology including providing a plurality of electronic cash safes each associated with a communicator, upon receipt of cash into one of the plurality of cash safes, employing the communicator for providing a computer network notification from the one of the plurality of electronic cash safes indicating receipt of the cash and at least partially identifying a product sold in return for the cash, responsive to at least one of the computer network notification from the communicator, effecting payment to a supplier of the product by a financial institution having physical control of the cash safe, accruing non-loan interest payable from an operator of the one of the plurality of electronic cash safes to the financial institution in respect of the payment as from the time of the effecting payment, collecting the cash from the cash safe on behalf of the financial institution and depositing the cash to the account of the financial institution, terminating the accruing non-loan intere