The present invention involves using an advanced shopping cart, which enables customers to scan products to be purchased immediately upon selection before placing them in the cart, view the total, view the nutritional value of each product as it is scanned, and complete the transaction by means of self-checkout without standing in line. This advanced shopping cart acts as a client in a wireless network environment, which communicates with the server by means of a computer operating system. It may scan the products selected by the customer, display the cost of these products, and display the total cost of all these products. Products placed in the cart may be displayed on a graphic display. Upon the shopper's completion of product selection, the user may be prompted to proceed to a payment method that may accept debit or credit cards to complete the transaction.