Look into frigate. It’s designed to work with home assistant and is incredibly reliable. It works with pretty much any camera that can publish a stream. That being said, most people recommend reo link
I found some Amcrest cameras on Craigslist, 4 being sold for $75, and that started my system.
Yes. I’d love that. I’d like it even more if they went back to snow leopard style and color the entire line when in detail view.