Free shipping is provided for customers in the continental United States that meet certain order level thresholds as prominently displayed on the website. The Economy freight service level must be selected to receive the free shipping promotion. Customers whose orders meet the free shipping threshold level and who select the Standard Guaranteed service level will receive a $5 credit against the rate charged to the customer for freight. Military, Expedited shipments (3-day, 2-day and Next Day), International shipments and shipments to Hawaii, Puerto Rico and Alaska will not receive the free shipping promotions. Free shipment thresholds are subject to change at any time. Some manufacturer and category restrictions may apply.