Currently, the best webcam I'd recommend to most people is ... only webcam we've ever given a perfect 5/5 review to. As for streaming, there are some expensive choices out there, but I'd go ...

The Razer Kiyo X webcam is easily the cheapest option in the Razer Kiyo series, and it is now under $48. It runs at 1080p ...

For best results, it’s worth investing in a camera that’s built for streaming. In such devices, both the video and audio quality will be far superior to what you’re used to, in a webcam.