A system and method for conducting commerce and sales operations is disclosed. A sales representative identifies a customer, chooses a product, and completes a sales transaction using a front-end POS software application. The sales data is transferred to a central storage server, where a master database is created with the data from the front-end POS software application. The central storage server transmits and receives data from back-end corporate servers and databases and creates a master database containing data from corporate applications. The front-end POS software devices uses a holster that includes a docking station, sliding cradle for a mobile device, a card reader, and an infrared scanner to identify products and complete payment.