A good cam does not have to be expensive. There are cams available for as little as $38.99.
Below are some links to help you decide which cam is right for you.
Best Overall Webcams:
https://www.tomsguide.com/best-picks/best-webcams
https://www.pcmag.com/news/5-top-rated-webcams-for-smooth-streaming
Where To Buy:
https://www.tomsguide.com/news/where-to-buy-webcams-now-these-retailers-have-stock