This matches the lowest price we've seen for this TV.
Brad's Deals Editor David,
Get this Vizio 50" 4K SmartCast TV (model E50x-E1) for $398 plus free shipping at Walmart.com. This was the lowest price we could find for this TV by $53. This can display content up to 4K Ultra HD resolution and has built-in WiFi and Google Chromecast so that you can stream content from your mobile devices. Note: a mobile device is needed access any streaming app, however, this means you can access new apps faster. Sales tax is charged in most states.