Walmart offers the refurbished Hisense 50" 4K 2160p WiFi LED-Backlit LCD Ultra HD Smart Television, model no. 50H8C, for $349.99 with free shipping. That's $50 under our December mention of a new one and the lowest total price we've seen in any condition. (It's $100 under a new one today.) It features a 3840x2160 (2160p) native resolution, Smart TV apps (including Netflix and YouTube), three USB 3.0 ports, and three HDMI inputs.
No warranty information is provided.