I have seen some properties on MLS that I contact my realtor and they may know right away the reason it isn't selling from showing it previously, or they can review the realtor comments that aren't viewable by the public on MLS.Other potential reasons I have seen properties listed on MLS for a long time. 1) Some investors may not be comfortable inheriting existing tenants.2) It may be it is a class C neighborhood. 3) Structural issues.

Seems to me cohesive set of laws and rules regarding this activity would benefit  both the public and those that want to engage in the activity.  

I have landlord policies for my rental properties in TX and AL states, but I am not able to get an umbrella policy form my current insurance company, because I do not have car insurance and primary residence in US, as...

The public searches are pretty limited in scope for a true investor. 

If the borrower is not a U.S. citizen, refer to B2-2-02, Non–U.S.

*Sources: Old Town North Power Plant Redevelopment Frequently Asked QuestionsPotomac River Generating Station CITY COUNCIL HEARING (Detailed breakdown of the project here)Old Town + All of Alexandria: Alexandria's RiverRenew Program Will Allow Residents to Swim and Eat Fish From the Potomac River by 2040Alexandria's Potomac River waterfront properties have served residents with phenomenal views of the river, National Harbor, and Washington D.C., making the real estate there incredibly desirable.

Most of the failures I’ve seen when investors attempt to “scale” a non scalable business result in only moderate losses and temporary setbacks.

Each state has what's known as Admitted and Non-Admitted Carriers.

Non pay of prop tax's non pay of insurance  Waste, etc. 

its public record..