Google might still be selling the Chromecast-with-Google-TV for $90 that includes 6 months of Netflix (both new and old accounts). If you already watch Netflix, that's like getting the Chromecast/Google TV for $12 or so (something like that, brain too sleepy to do math).

Take a look at the new Chromecast with Google TV

https://store.google.com/product/chromecast_google_tv?gclid=Cj0KCQiAuJb_BRDJARIsAKkycUnR5MEL-uUV8HQzLrXymXPFaY93erdPPPpBgtyJsLlJpt5yLV78AHkaAmtfEALw_wcB&gclsrc=aw.ds

if i understand the question

What's your location - first of all? What's your budget? What's your preferred screen size? For me it was a good deal buying SABA Android TV. 43 inches, Android Smart TV, 4K at 260 euro. The maker is Changhong and the brands are Saba, Metz, United, Telefunken, Akai and some others.

An HDTV with Android TV as its OS? Or an Android TV device that plugs into your HDTV?

You could use something like the Xiaomi Mi TV Stick it varies between $30 and $40 and plugs right into any tv.I have a mi box s myself (which is the predecessor of the tv stick) and I absolutely love it.

Edit: here is a link to it on amazon: https://www.amazon.com/Xiaomi-Stick-Voice-Remote-Streaming/dp/B08DXPNTPS

https://www.nerdwallet.com/article/finance/best-time-to-buy-tv

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wait until next month