Walmart has the RCA RTU7575 75" 4K UHD LED TV for $630 with free shipping. Note: the Walmart reviews are not good to mixed, but we're posting it because it's pretty cheap for a 75". A 4-year Walmart Protection Plan is an extra $99.
3840x2160 (4K UHD), 120Hz refresh, 4 x HDMI type A built-in ambient light sensor, full array backlit LED
$630 retail: $1399Report