Dealnews - Today's Edition, 2018-10-12 16:08 EDT RCA 65" 4K HDR LED UHD Roku Smart TV for $450 + $50 s&h
Walmart offers the RCA 65" 4K HDR Flat LED Ultra HD Roku Smart Television, model no. RTRU6527-US, for $449.99 plus $49.97 for shipping. That's $50 under our August mention, $294 off, and within a buck of the cheapest 65" 4K Roku smart TV we've seen. Features:

Dealnews - Today's Edition, 2018-10-11 04:02 EDT Refurb LG 65" 4K HDR LED UHD Smart TV for $460 + free shipping
VIP Outlet via eBay offers the refurbished LG 64.5" 4K HDR IPS Flat LED Ultra HD Smart Television, model no. 65UJ6300, for $459.99 with free shipping. That's $140 under our July mention of a new one, the best price we've seen, and $288 less than a new one today. (For further reference, it's one of the cheapest big-brand 65" 4K TVs we've ever seen.) It features: Note: A 90-day VIP Outlet warranty applies.

Dealnews - Today's Edition, 2018-10-10 18:10 EDT RCA 50" 4K LED UHD Roku Smart TV for $250 + free shipping
Walmart offers the RCA 50" 4K LED Flat Ultra HD Roku Smart Television, model no. RTRU5027-W, for $249.99 with free shipping. That's $20 under last week's mention, $449 off, and the lowest price we could find. It features:

Dealnews - Today's Edition, 2018-10-09 06:16 EDT RCA 65" 4K LED UHD TV for $420 + free shipping
Walmart offers the RCA 65" 4K Flat LED Ultra HD Television, model no. RTU6549, for $419.99 with free shipping. That's tied with last week's mention as the lowest price we've seen. (It's the best deal now by $98.) It features a 3840x2160 (2160p) native resolution and three HDMI inputs.

Dealnews - Today's Edition, 2018-10-08 13:09 EDT RCA 55" 4K LED UHD Roku Smart TV for $350 + free shipping
Walmart offers the RCA 55" 4K LED Flat Ultra HD Roku Smart Television, model no. RTRU5527-W, for $349.99 with free shipping. That's $450 off and the lowest price we could find, although it was $20 less in August. It features:

Dealnews - Today's Edition, 2018-10-08 06:44 EDT RCA 43" 4K LED LCD UHD TV for $200 + free shipping
Walmart offers the RCA 43" 4K LED-Backlit LCD Ultra HD TV, model no. RTU4300, for $199.99 with free shipping. That's $250 off list and tied with our March mention and is one of the cheapest 43" 4K TVs we've ever seen. (It's at least $23 cheaper than what third-party sellers are charging via eBay.) It features a 3840x2160 (2160p) native resolution, LED backlight, and four HDMI inputs.

Dealnews - Today's Edition, 2018-10-07 14:46 EDT TCL 43" 4K HDR LED UHD Roku Smart TV for $237 + free shipping
Electronics Express via Rakuten offers the TCL 43" 4K HDR Flat LED Ultra HD Roku Smart TV, model no. 43S405, for $279.99. Coupon code "EE43" cuts it to $236.99. (You'll need to be signed in for this to work.) With free shipping, that's the lowest price we could find by $43, although we saw this for $16 two weeks ago. Features include: