To other points, yes I know Colorado is a difficult place at this time as it is boom at time being.

But the biggest cyclical/economic issues here, IMHO, you did not mention:Hotel rates, execustay rates, Airbnb rates, and other furnished rental rates are higher during an economic boom.

Basically with the guy I have now i just bring my 1099's, my deductions and boom theres my number.  

In Kissimmee, you can utilize Osceola County Tax collector data to locate the owners.

Use the FOIA (Freedom of information Act) and request from county tax collector's office.Copy of the payor's check would be ideal.

Brian Mathews In 07 our area was booming and there was a general contractor on every corner, 08 came and they started dropping like flys.

If one bill collector is calling the tenant every pay day, they will likely see the money that should be allocated to rent.With September rent coming due in a week or so, it may be wise to take a proactive approach.  

The One https://www.architecturaldigest.com/story/inside-the-dollar500-million-giga-mansion-boom

I think some areas of NW Indiana can really boom in the next few years depending on traintrack extensions.

The Act requires for any debt collector that is not a bank, or lending or financing institution, to be licensed as a collection agency in Illinois.