A method and system for vending products from a defined area, such as a micro-warehouse with a door. The method includes fitting each product with a radio frequency identification tag, positioning the plurality of products in a micro-warehouse, sensing opening and closing of the micro-warehouse door, scanning the plurality of products in the micro-warehouse upon sensing closing of the door to determine the number and type of products in the micro-warehouse, generating a message based on the number and type of products in the micro-warehouse, transmitting the message to a remote processor or server, and maintaining an inventory in the remote processor based on the message. The system is designed to be accessed by authorized individuals possessing some type of code or identifying mechanism. The micro-warehouses may be cabinets, refrigerators, secured rooms, or similar storage units or areas.