best buy iPhone 7 is $ 0 after activation and trade in of an iPhone 6 similar offer to ATT,Tmobile and ATT instore only

GET THE AMAZING IPHONE 7
Purchase Your iPhone 7 and Get It for $ 0 with Eligible Trade-In
In store only. Terms and conditions apply.link [bestbuy.com]

1. AT&T: Valid dates 9/9/16-9/30/16 on the iPhone 7 or iPhone 7 Plus which must be purchased on an installment plan, includes AT&T Next (30-month financing option with either $ 0 down or down payment) or AT&T Next Every Year (24-month financing with either $ 0 down or down payment) for consumers. Taxes on full retail price are due at point of sale. Must be activated with eligible wireless service (including voice and data). For new customers starts at $ 50 a month on Mobile Share Advantage plans. Current customers may add to their existing plan if eligible. If wireless service is canceled, the installment agreement balance will be due. Trade-in offer details: Valid in store only. Taxes/surcharges due at time of purchase. Taxes applied to price of phone prior to the trade-in credit. Not all phones are eligible for trade in and trade-in value may vary. Excludes phones that are cracked or that lack power. Not available in all locations and some stores may have additional limitations. Not compatible with other trade-in offers. No rainchecks. See BestBuy.com/TradeIn for full detail. Savings are deducted off the full total price of the device and are reflected in reduced monthly payments over the life of the device. If you return your cell phone, for any reason, your trade-in value be will be forfeited; however, if you exchange your cell phone for another valid cell phone, you will be eligible for a trade-in credit on the new cell phone. Offer may not be combinable w/ other credits, discounts & offers. Carriers, coverage and products may vary by store. Requires credit approval, wireless service plan, qualifying device, and an installment billing agreement for the carrier’s required term. $ 0 down for well-qualified customers. For all others, down payment and other restrictions may apply. Monthly device payments for term (20-30 months subject to carrier) at retail price. 0% APR. Sales tax (on total price) may be due at purchase. If you cancel wireless service, remaining balance on device becomes due. Restocking fee & other charges may apply. Number of financed devices per account limitations may apply. Subject to carrier terms and conditions. Terms subject to change.