Honestly, if you want to save some serious cash without sacrificing the 120Hz performance, you should look at the Hisense U8N 65-inch Mini-LED. I have...
TCL 55" was my best under $500. Good picture, no regrets after a year.
For 1440p, consider a used GeForce RTX 3070. Test thoroughly before buying - safety first!
Before jumping on the Nvidia bandwagon, consider AMD's Radeon RX 6700 XT. I've seen fewer long-term failure reports in forums compared to so...