Best Buy has the Amazon Fire TV Omni Series 75" 4K UHD HDR Smart LED TV (2021 model, 4K75M600A) on sale for $600 with free shipping. Includes hands-free Alexa voice integration (no remote required). 

• 3840 x 2160 (4K UHD), 60Hz native refresh rate, HDR 10, HLG, Dolby Vision
• Built-in Wi-Fi, Ethernet, built-in Alexa, Dolby Digital Plus, Fire TV OS, 4 x HDMI