Walmart offers the Vizio 50" 4K 120Hz LED LCD Smart Ultra HD Television, model no. P502ui-B1E, for $698 with free shipping. That's tied with last week's mention and the lowest total price we could find by $50. It features a 3840x2160 resolution, 120Hz refresh rate, 2-sided remote with QWERTY keyboard, USB, and five HDMI inputs.