This site appears to focus on cheap aliexpress shit, which I highly appreciate. No one really talks about those $3-$5 chinese sensors, yet they are on par or better compared to tier A brands in some cases. I mean, what are you really asking from a temp sensor? Your living room isn't a lab or something, where precise measurements are needed.

Also, I don't know if anyone saw but there's a giant list of amazon prime discounts on there rn: https://smarthomescene.com/news/best-smart-home-deals-for-am...