Select accounts only (YMMV). Amazon has the Amazon Fire TV Stick 4K Streaming Media Player with Alexa Voice Remote (3rd Generation 2018 model) for $50 - $20 off with code 4K21FTV at checkout = $30 with free shipping.

The latest Fire TV Stick has 4K, Dolby Atmos, Dolby Vision and HDR 10+ support plus a remote with programmable buttons for TV, sound bar and receiver.