Amazon has Fire TV products on sale.
Stick $25 https://www.amazon.com/dp/B0791TX5P5
4K Stick $35 https://www.amazon.com/dp/B079QHML21
Cube $90 https://www.amazon.com/dp/B07KGVB6D6
Recast 2 tuner $145 https://www.amazon.com/dp/B01J6A6H74
Recast 4 tuner $195 https://www.amazon.com/dp/B074J1GPB8