I paid a cabling company to wire up my old house. Cost a few grand and they figured out the path (attic, crawlspace, and in some cases the exterior of the house

I paid a cabling company to wire up my old house. Cost a few grand and they figured out the path (attic, crawlspace, and in some cases the exterior of the house). I have a UniFi system so I got PoE WiFi access points and PoE 4K cameras installed at the same time.