Walmart Black Friday Sale Offers $398 50-inch Vizio E50x-E1 4K UHD SmartCast TV Deal Posted on 15/11/2016 by i4u Walmart is offering now online at walmart.com a deal on a 50-inch Vizio E50x-E1 4K UHD SmartCast TV. The Vizio E50x-E1 is on sale for $398. The regular price is $530.The all-new VIZIO E-...