Abstract: A method performed by a computer-implemented purchasing system includes receiving a first user input from a seller indicating a product identification for each of a plurality of goods, and one or more pickup locations, receiving a second user input from a buyer selecting at least one of the goods and one of the pickup locations, automatically delivering the order from the purchasing system to a fulfiller having a storage area, receiving confirmation in the purchasing system that the at least one of the goods is physically present in the storage area and is available for sale, and automatically notifying the buyer that the at least one of the goods is available at a pickup location.