I know a few folks use Blue Iris around here.
I have been searching high and low for a doorbell cam that is compatible with Blue Iris and all I have found are $300 plus.
Looks like I found one for about $150
Nelly's Security 32GB 1080p Wifi Video Doorbell Camera Onvif Compatible, Includes 4 Faceplates https://www.amazon.com/dp/B078...cp_api_tU7xAb1PTJBPZ

Spoke with the folks at Nelly’s and confirmed it does work just fine with Blue Iris it just needs to be setup with the cams app first and once the IP is configured drop it in Blue Iris like any other camera.