Buy any smartphone at Sprint.com and get a $100 American Express Reward Card through 7/14. That's the best gift with purchase we've seen from Sprint, and assuming you use the gift card, it drops most phones to current price lows. For example, get the Samsung Galaxy S III 4G Android Smartphone in Blue for $199.99 shipped. With the credit, that's the lowest price we've ever seen for this phone, and it's currenty the best deal by $100. Plus, shipping is free with all orders. Sales tax is charged in most states.