Patozon via Amazon offers Prime members the Mpow Tough Armor Case for iPhone 6 in Black for $15.99. Coupon code "MPOWIP6T" cuts the price to $6.99. With free shipping, that's $43 off list and the lowest total price we could find. (Non-members can spend $35 to qualify for free shipping; otherwise, it adds $6.10.) Note that this case is not compatible with the iPhone Plus.