Walmart offers the refurbished TCL 55" 4K LED-backlit Ultra HD Roku Smart Television, model no. 55R615, for $439.99. Opt for in-store pickup to drop that to $435.55. That's $4 under our mention from ten days ago, $114 under buying new, and the lowest price we've seen for this TV in any condition. (For further comparison, it's $64 under our December mention of a new unit.) This 2018 model features: 2160p Ultra HD resolution with 4K upscaling content streaming via Roku TV (Netflix, Youtube, Hulu Plus, more) USB 3 HDMI inputs A 90-day warranty is included, however it's unclear who backs it.