The list of questions can go on for a bit.There are plenty of folks here on BP who are affluent in loans, lending and are actually practicing lenders.

Disregarding the fact that writing this information down is an excellent business practice, and just good common sense, are there any legal advantages to having things like this written down?

From what I understand, there was a lot of unscrupulous L/O practice occuirng in the valley (deep south Texas) and a lot of first generation immigrants were getting taken to the cleaners and loosing the shirts off their backs from predatory L/O operator practices.

Double Closing" is a general term and not specific enough as a double close could mean a wet closing (also named a simultaneous closing) or a dry closing (also called a back to back closing) where each transaction stands on its own merit.

Also, does anyone know any closing agents/ RE attorneys in South Florida that handle double closings, or simultaneous closings?

If you have a 4-unit property for example, you will need more liability coverage than a single family property because you have more people coming and going and thus, more potential injuries that could occur.The best advice I can give, however, is to be diligent in your business practices and in maintaining your properties. 

A fairly common practice in MF is to refinance the entire mortgage after the value has appreciated due to some combination of NOI improvement and cap rate compression.  

And I'll be putting all my beans in the same basket, practically. 

I've focused on Expired Listings because being an agent (although not really practicing full-time) I would like the advantage of listing them maybe if all fails!

I took the agent practice test and passed by a lot (essentially was questions from my first year property course) so I plan on taking that test next week.