Amazon.com occasionally posts codes for free shipping and other discounts. Customers can obtain additional discount codes by visiting Amazon.com's Facebook and Twitter pages or by visiting free coupon websites such as RetailMeNot.com.
Amazon.com offers free shipping for orders worth $35 or more as of 2015. Products that qualify for this discount have Free Shipping somewhere in their product descriptions. This discount is currently exclusive to the United States, and some items have additional geographical restrictions. For example, many items cannot be shipped to Alaska or Hawaii. Free one-day shipping is also offered to customers who pay with an Amazon.com gift card.