Walmart offers the Vizio SmartCast E-Series 49.5" 4K LED-Backlit LCD Ultra HD Smart Television, model no. E50x-E1, for $398 with free shipping. That's $52 under our mention from last July (although that came bundled with a $150 Dell gift card) and the lowest price we could find now by $82.

It features a 3840x2160 (4K) native resolution, 4K upscaling, full-array LED backlight, 802.11ac wireless, built-in Chromecast (with access to Netflix, Hulu Plus, YouTube, more), Bluetooth 4.1, voice control via Amazon Alexa or Google Assistant, USB, four HDMI inputs, and Vizio SmartCast capability, which allows you to use your smartphone as a remote via the SmartCast app.