The Hisense 75" Class R6 Series 4K UHD LED Roku Smart TV - 75R6030K is under $400 and is the best deal on a 75-inch TV out there right now.

source https://www.windowscentral.com/gaming/xbox/get-a-hisense-75-inch-tv-under-dollar400-at-walmart-with-this-early-black-friday-deal