Arguably, buying a smart tv is the cheapest way to go. There is the Pi 4, which once all the parts and shipping are put together about $80. Though, eh.. imho

Arguably, buying a smart tv is the cheapest way to go. There is the Pi 4, which once all the parts and shipping are put together about $80. Though, eh.. imho it's better if you get one of the Intel Nucs. They can be had for around $200 and are quite good.