The Zillow representative stepped in and was professional and said they would stop and investigate the issue. 

Postal Inspection Service investigates any violation involving the U.S.

Did you investigate what happened to rental prices and the demand for rental properties following the crash in 2008 (in the location you are investing).In many places, values dropped 40-50%. 

Also, call your ISP and ask them to investigate.

In this case, you're literally asking a bank to investigate you and likely report you, as they likely will not be happy with your scheme to defraud them. 

You might come across that term, look it up in the book and decide you don't need to investigate it further because you have other metrics you are focusing on right now, but at least you understand the basic idea.I think this reviewer had an unrealistic expectation of the depth an author can get into in a book that defines and gives examples of 37 different financial metrics.

According to the investigation she attempted to quiet the title and when she couldn’t identified chain of buyers to remedy her problem to my financial detriment

I will investigate and post my experience here.

The prospective landlord shall not charge the prospective tenant, as a fee for any credit or other type of investigation, any more than the specific cost of such investigation.

I went down to investigate it (while they were on vacation) and realized that there was water leaking, due to no barrier between the foundation and the window.