Unless you have four completely separate water lines, 4 hot water heaters, etc. then your best bet for sub billing is splitting based based on unit sizes or number of occupants.

I haven't been back there in 30 years, but I'll bet dollars to donuts the younger generation has changed everything over to AirBnB rentals with lower standards and much higher prices.

All of the perma-bears who bet against rising prices in Austin have have spent the last 10+ years hanging their heads in shame as those who bought at any point since the last recession have enjoyed their investments becoming more valuable.

Spend $300 of that $20k on books while you continue to save and you’ll do fine I bet.

I load bearing column has been cracking as well as the countertop which has the outdoor grill, small fridge and sink.

I'm betting most of the people that complain about wholesaler messages also are ON wholesaler mailing lists trying to pick up deals. 

Everyone here seems to agree that you're not properly leveraging the 2 properties at the moment (even you came here looking for good examples of how to scale appropriately rather than continuing to hedge your bets), and you seem to have prompted responses clearly showing two very strong but opposite paths both argued with excellent logic here... 

This is probably going to be your best bet with the most accurate information 

If you believe in leverage, then keeping it to the United States if you are a US citizen/resident will likely be your best bet.   

I bet you'll be contacted right away.