As an early Black Friday deal, Walmart offers the Sharp 50" 4K HDR Flat LED Ultra HD Smart TV, model no. LC-50Q7030U, for $249 with free shipping. That's a $31 drop from four days ago and the best price we've seen. (It's a low today by $81.) Deal ends November 17. Features include:

3840x2160 (4K) native resolution

WiFi and Ethernet

Smart TV apps

3 HDMI inputs, 3 USB ports