Duo 2 PoE

Yes, PoE is the way to go. You are good here. Your camera selection, not so much. You shouldn't use dome protected cameras in outdoor areas, they get a lot of problems with rain/dust and glare, you will end up replacing them, they are meant more for indoor use. Just use turret/bullet instead. I don'

I had a contractor do that for me. They ran cables through the attic/vinyl siding and then into my room which has the NVR. Cost me $800 to install 2 doorbells and 2 cameras (including running the wire). Your plan sounds fine. I really like the Reolink Duo 2V Poe and Reolink Duo 2 Poe. Both 4K camera

Preferred setup: all wired PoE If they can pull low voltage through the crawlspace, I would stay fully wired. That gives you metal housings, proper PoE, and a simple NVR. 1) North strip / both back doors (northwest corner) Single 4K turret on the northwest corner, watching down the strip between the