It provides coverage if the Liability cover of the Primary policies (Home, Auto, Boat, etc.) are exhausted in a claim.

Get the right insurance and coverage.2.

If vacancies, you want to see a comprehensive report on marketing results: web traffic => inquires => showing scheduled => actual showings => applications.

In TX you probably bet way better rent coverage ratios.....maybe close to getting that 1% rule and that may be vital to your success at this point in your life.   

@Victor Lee you do not need seperate GL coverage for your PM business if you are only managing your own properties. 

Yeah, not always the cheapest BUT that's because they are legit and do correct coverage vs some dirt cheap policy that dosn't cover anything, a loss happens and now your really in trouble. 

talk with your local real estate atturney and your insurance agent about typical judgement amounts and the amount of liability coverage you might need.

If you were looking for the most comprehensive course, Champions School of Real Estate would be the way to go. 

But if I had to choose only one, I would pick IRR, because it's by far the most comprehensive one.

It turns out that as standard practice on my home owners policy through nation wide, under a heading "other inclusions" there is a coverage for "Landlord furnishings" and due to this wording I was no longer qualified for the loan.