You can get a simple multiplex box with a bunch of POE cameras. You don't need a server to store that data. Some boxes let you network the data/streams so you could access them remotely, but that is more technical if you want to do that without external accounts.
Discussion
Are those wireless? Home is stucco townhouse and doesn't have soffets or ability to really run wiring through attic
No.
If you want wireless, that's a huge complication in hardware. Running wires would be tedious but can be done, though, it would require poking holes in walls or seeing wires.
Yeah being able to see them makes them easily exploitable though if I'm out of town. I could get extras and have significant overlap to still get visual though
You can see each camera with 4, if you are smart about mounting.
But then you'd also want better visuals on the property around, so, more would be better, for sure.