DuaFire via Amazon offers its DuaFire Amplified Digital HDTV Antenna
, model no. A-101, for $32.99. Coupon code "XV68IQLK" cuts it to $22.99
. Plus, Prime members bag free shipping
. (Non-members can spend $35 or more to bag free shipping; otherwise, shipping adds $6.01.) That's $66 off list and the lowest total price we could find. It supports 1080p HD, and features a detachable signal booster, up to 50-mile range, and 10-foot coaxial cable.