Ring cameras are good to double check your guests and cleaners. 

I made a forum post asking about how to get started in real estate as a student with a virtually 0 budget.I do have a camera and some gear, though.

If you cannot be there every day then install cameras and check every day otherwise it will not work.

Signage- cameras, alarms, Website, etc.

I also would like to know if I should get thermal camera inspection or not.

Circling back;  yes often its the licensed plumber who owns the camera setup and has the resources to jack up cement, dig up front yards. 

The way I recommend mitigating your risk of theft is to wire up wirelessly with video cameras in your home under construction.

I have a security camera but the view of that corner of the lawn is blocked by a tree.How do I stop people from doing this?

He said for the extent that his camera could go he could see there was a lot of cast iron debri He suggested that I shouldn’t proceed unless the seller of the property can create access to the stack line or install a clean out for external access rather than having to rip out the toilet each time there’s an issue.

DC Investors, which company do you use for Residential Video Camera Pipe / Line Inspection ?