Here's an amazing online only deal over at Sprint. For a limited time only, from August 14 through August 26, Sprint is offering a $100 American Express Reward/Gift Card for free with the purchase of any smartphone along with a new two-year agreement. They are also waving their usual $36 dollar activation fee. This deal even includes their premier phones, like the Samsung Galaxy S III and others. Here are a few more details,
But the offer ends on 8/26 so don't wait!

  • Valid during 8/14-8/26, online only
  • Requires 2-year Agreement and new line of service
  • Account must be in good standing for 30 days to recieve card
  • Card mailed automatically to your billing address
  • Check your card's status at 800-297-7327 or americanexpress.com/reward
This is a pretty sweet deal, effectively making some of these phones free, or at least really cheap. Here's a link below for you to check it out yourself!

Source: Sprint