A method of controlling one or more self service vacuums, dispensers, fragrance machines, shampoo machines, cleaning systems or car wash systems comprising a radio frequency transceiver or module. This method incorporates an RF or radio frequency receiver, transmitter or transceiver. The system has the capability of configuring the various dispensing systems to change pricing and operation. Processing of the various payment methods include coin, currency, credit card, debit card gift, card, fleet card, token, flash memory, electronic payment, special keys, scan cards as well as numerous other payment means. One embodiment is performed over a secure RF system.