Listsource also offer demographics data, and that has its own unique characteristics.People who become experts in public records quickly realize that there are opportunities for "information arbitrage" that few others ever see.

Even experienced developers can have this problem, in that they're only exposed to the sites they've developed in the past, where I've seen issues that have come up not only on their project, but also on other projects with their own unique site issues.This often leads to overpaying (or almost overpaying) for the potential value of the property....sellers fuel this idea .

Individuals who change jobs frequently, but who are nevertheless able to earn consistent and predictable income, are also considered to have a reliable flow of income for qualifying purposes.   

Other than that, each house is individual.

I have a few low income rentals I bought a couple years back. I have someone who is interested in buying one house as a private home. Here's where it is getting complicated:- I bought the houses in a package but still...

A true hard money lender is loaning on the property, not the individual so if your deal is straight the money should be there. 

I know I am in a very unique position and I am very grateful.

Like multiple shotguns bought by investors and each been refurbed and given a different pastel, individual houses just bought and heavily updated, the tenants are slowly changing the demographics (eg not poor and black, but young and white), and so forth.In fact, the pastel thing is actually infectious.

The prices charged by CPAs varies based on location, expertise and your individual tax/business circumstances.

If you can individually isolate the water supply to each unit and each fixture within each unit, you should soon be able to eliminate/identify subject plumbing branches.Last year we had the water bill at a property triple during one quarter.