Best Buy meets AT&T’s free iPhone 7 deal, and raises it up to $900 in gift cards

A week ago, AT&T started its holiday sales in style with BOGO (buy one, get one free) deals on some of its most popular flagship smartphones. For example, you can get the iPhone 7 or iPhone 7 Plus, and the carrier will offer you an iPhone 7 32GB for free using bill credits. How does this work? It&#0..

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