Walmart offers the Sharp 55" 4K LED-Backlit HDR Ultra-HD Television, model no. LC55N7000U, for $406.92. Opt for in-store pickup to drop it to $403.26. That's $97 below our December mention and the lowest price we've seen. (It's the best deal today by $297.) It features 3840x2160 native resolution (4K), Internet apps, WiFi, USB, Ethernet, and four HDMI inputs.