I came across this Black Friday deal at my local Target. I couldn't find the tv anywhere I'm their website either so YMMV.
I'm sure it's not the best picture but 70" screen for under 300$ is pretty good. Also if you have a Red Card you can get and extra 5% off.
Element 70" 4k UHD Smart Tv https://imgur.com/gallery/a9h9haZ