He can ask me to focus the camera on certain areas or look at a specific room again, ect. all in real time. 

If they produce a police report, then its your cost or whoever the police nab.This just happen to me too, but the daughter's boyfriend was caught on camera!

The DEA kick the doors in ripped all cameras, alarm, controlled access off confiscated everything out of the building put holes in the walls.

Again, I'm not sure about California, but in Washington, the Liquor & Cannabis Board have specific guidelines around the types of safe you have to have on premise, as well as cameras, etc, in respect to the security issues that someone mentioned earlier in the thread.

**For non local property managers, install cameras on all your properties so you can keep an key on the property and also provide security for your tenants ;)

Download whatever app needed for that brand camera. 

RE Campus seems very text based, and I would prefer to do an online course where an instructor talks to the camera...does this even exist?

Photos, and good ones taken with a real camera, are also very helpful

From prior experience I have found it cheaper to just use the companies specializing in drain cleaning and who have cameras in case there are issues that need to be revealed.

There is an Android/iPhone app called MagicPlan that attempts to use the camera+gyroscope in your phone to come up with floor plans for rooms.