That will vary depending upon your experience level, the quality of the property, the cash flow of the property, and the lender's appetite for that type of loan.

Here are our concerns;- Some of the floor joists have been exposed to excessive moisture and are rotting away. 

When a tenant moves out, transfer the deposit back to Checking so it's ready to apply towards expenses or refund the Tenant.If you end up with excess funds in the Checking account, I recommend you transfer it to a third account designated explicitly for future investments.

Are you finding enough lenders can give you reasonable GFE without needing to spend an excessive amount of time on each?   

If you have more of an appetite for leverage, then I think you trade up into better quality, higher appreciation assets; however, life does not exist on a spreadsheet.

They need to have a high risk appetite, they probably need to have a connection with and know the country.What I'd do specifically is go and live for a while in Buenos Aires, one of my favorite cities in the world and get to know people there (don't pitch right away).

For example, if the police came out and cited them for excessive noise at night, I would issue a lease violation warning and cite the lease term about not disturbing neighbors.

California charges a minimum tax of $800 a year per LLC, and more if you have gross receipts in excess of $250k.

"McAllen was recognized as the third safest city by SmartAssest.com, which analyzed a core set of common safety factors, including the following five metrics: violent crime, property crime, vehicular mortality rate, drug poisoning mortality rate and the percentage of the population engaging in excessive drinking."

Doubling seems excessive unless they went from $500 to $1000.