This 60-inch Hisense 4K HDR Roku TV is a steal at $448
https://www.cnet.com/news/this-60-inch-hisense-4k-hdr-roku-tv-is-a-steal-at-448/
The 60R6E may be "last year's model," but 2018 was an awesome year for TVs. It offers 4K resolution, HDR compatibility (learn more about HDR from CNET's Geoffrey Morrison), dual-band Wi-Fi and the awesomeness that is built-in Roku.
There are only a couple dozen reviews from Walmart buyers, but they average out to 4.3 stars. I'll admit I kind of like the idea of buying from Walmart, just because it makes for easier returns should the need arise.