BuyDig via eBay offers the LG 55" 4K 2160p HDR 120Hz IPS WiFi LED-Backlit LCD Ultra HD Smart Television, model no. 55SJ8500, for the in-cart price of $799 with free shipping. That's the lowest price we could find by $498. This newly released 55" "Nano Cell Display" TV purports truer colors and deeper black levels at any angle of view; more info here. It features a 3840x2160 (4K 2160p) native resolution, Active HDR, Smart TV apps, three USB ports, and four HDMI inputs.