However, I do see the benefit and flexibility of taking out a HELOC and have access to that money when needed.

QBO is easier because you can delegate access to your accountant and your bookkeeper.

Determine how much cash you want access to.

@Cherri Huang - I am a commercial business advisor and have access to a couple of lenders that offer blanket loans that fit your scenario.

I really don’t like to ask these things because the internet makes all these questions accessible.

You can attempt to speak with the unauthorized tenant and ask that they leave before you have to get attorneys or the police involved.  

Do you have access to hard or private money? 

However, I understand the STR business and have access to Osceola county.

@Mack Meyer Do you know how I can access some of the meet-ups in LA?

All 4 were manufactured homes on land (1 vacant, half way through a remodel, with some issues as far as access to the property, 3 others were located in Arizona City, Coolidge, and Casa Grande and they were rented out month to month for $640, $525, and $625 respectively).We got them all under contract for 136k.