Newegg offers the refurbished Vizio 80" 4K 2160p LED-Backlit LCD Ultra HD Smart Television, model no. M80-D3, for $2,999.99 plus $119.99 for shipping. That's the lowest price we could find by $198. It features a native resolution of 3840x2160p (2160p), LED backlight, WiFi, Smart TV apps (YouTube, Netflix, Hulu, etc.), two USB ports, five HDMI inputs, and a tablet remote.

A 30-day warranty applies, but it's unclear who backs it.