Others now can detect when units are too loud which can be useful for apartment buildings.

Talk to other neighbors, what do they know about the house or the owner, where are they, look up address at IURealist for mortgage information, if necessary hire a detective to find the owner or decision maker!

The inspector also noted that there is moisture in the walls detected by his tool. 

My dad kept really bad records, and shared zero information with me (I didn't even know my grandmother had a trust) and there was a lot of detective work involved in getting this info.The tenant has been mostly cooperative, albeit very nosey, with us in that regard. 

I recommend Kyle DeRodes at Home Detective Property Inspections. 

In lieu of turning on, you can do an air compression test to detect any leaks in the plumbing.  

You're going to have to mess with cords anyway if you want cameras that plug into power outlets and have features like motion-detecting spotlights, which have clearly been a very effective crime deterrent for us.

Ned, I think the point is that by utilizing pay-for-access data the user can become a more effective opportunity detective, both at the meta level, and as it relates to a single property. 

I only called because I wanted to play detective!

However, if you wish to detect any errors and monitor changes in your credit profile over time, you may wish to review a single credit report every four months.