For single floor homes with a basement the basement may be the best path.
Do you run ethernet through the attic.
Also try to route the ethernet into its own wall bay.
For me my condo is on the 2nd top floor and have access to my attic.
Then to the opposite action have one person feed the cables down through the hole to the destination while another person pulls the cable out from the wall.
If that s not possible try to keep it 6 inches or so away from the ac wiring.
Continue drilling until 6 inches 15 2 cm or so have been pushed into the hole.
Ac cables can interfere with ethernet if you run them together.
Run the wires through the holes above their respective rooms.
There are plenty of places online that sell it by the foot or just go buy a spool at lowes depot.
My cable tv is distributed through the attic so it seemed like a good solution to run my home network through there as well.
When you ve run all the wires up to the attic then bring each one to the hole that it has to feed down through.
You want to run solid cable in the walls attic between your terminations jacks.
Once through do not pull the drill out unchuck the bit and leave in place.
For multi story homes you may have to be creative.
Drilling is undoubtedly one of the best and easiest ways to run security camera wires through walls soffit vinyl siding etc.
For single floor homes with a basement the basement may be the best path.
An outside wall generally has insulation and makes it harder to get the wires th.
After that drilling should be noticeably easier.
You may need to withdraw the drill and clip the end again to make a new sharp edge.
My cable tv is distributed through the attic so it seemed like a good solution to run my home network through there as well.
If you run a cat 5 6 ethernet cable of your security camera you can just drill a hole to run the ethernet cable from the camera to your home router or nvr.