States that are non-disclosure don't have as much public information and Zillow doesn't have access to non-public info for their analytics. 

The line of credit will give you the access to the equity in the property without having to pay interest on it. 

Fire hydrants, sewer, water, road access, electric, flood way or plain, storm pond, storm sewer, setbacks, fencing, soil compaction, lot sizes, etc.3.  

This tenant was billed accordingly.My rentals have Sherwin Williams SuperPaint in Accessible Beige / satin for the walls. 

Unless you have some sort of subject matter expertise or access to an unfair advantage (cheap labor, ways to source off market deals, etc.), index funds are likely to provide an equal or better return with a MUCH lower hassle factor and more liquidity.

If you want to have access to that money "just in case", a HELOC may be better.

Otherwise YOU as the landlord will take care of providing access for the service guy.

To access your home equity without selling, you can explore options like a home equity loan, a line of credit (HELOC), or a cash-out refinance.

@Matthew BeninateChase has worked well for holding money and they are nationwide so it's easy to access and too big to fail when your accounts go over 250k. 

Many basement access doors are not 36" wide depending on the age of the property.