Jet.com offers the RCA 55" 4K LED-Backlit LCD Ultra HD Roku Smart Television, model no. RTRU5527-W, for $439.76 with free shipping. (Walmart charges the same.) That's $360 off list and the lowest price we could find. It features a 3840x2160 (4K, 2160p) native resolution, WiFi, built-in Roku TV (with access to Netflix, Youtube, Hulu Plus, more), and three HDMI inputs.

Note: You can also receive additional discounts during checkout by waiving free returns or by choosing select payment options.