Abstract: A processor receives from a plurality of devices location information and generates nearby store information that is transmitted to a devices. Enter store event information is received at a first time and stored in at least one database. Item information is received at a second time. The processor generates and transmits item details information representing at least price, tax and inventory availability associated with the item. Purchase event information representing a purchase of the item from the one store is received by the processor over a communication network at a third time, from the one of the plurality of computing devices, and the processor updates, as a function of the received purchase event information, at least one database associated with item inventory of the one store.