No extra set-top box needed. Just plug it in, and you can watch TV channels and YouTube and blablabah. You can also connect it to a computer (I’ll give you the cable for free). It’s a 40-inch TV for $110 (originally $449).
https://www.samsung.com/us/televisions-home-theater/tvs/full-hd-tvs/40-class-mu6290-4k-uhd-tv-un40mu6290fxza/

If you are interested, text me 603 729 6052 or f006g92@dartmouth.edu