Again money generally comes into play in this section.Rehab also comes into play for financing, properties generally need to be pretty livable to get conventional financing.

Typically dead beats like this don't even show up in court, but if he/she does, you are almost certain to have better records. 

(Use these formulas to help you look at $40,000 in ten years invested in housing or $40,000 in ten years invested in real estate.... even try 20 years).Anyways, I know this wasn't directly answering your question, but it was more to show you another way of looking at why the 1% rule is a rule... if you aren't getting that and are playing for appreciation or debt paydown + cash flow.. just be careful.

Along with larger MF loans.. to get a larger loan say 3 to 5 million you must have a 3 to 5 million net worth to match it.. this is where equity comes into play. 

You have a "sizable" capital fund with which to use to leverage your future in commercial investing (and I would assume give you some time) to properly survey the lay of the land and find out which interests you & why and which plays to your strengths & weaknesses. 

If not and you're just playing with terms, my "hunch" is to agree with @Scott Jensen ... if you're very comfortable to put $15,000 into making this happen ($10k cash you need to bring to the table plus $5k closing costs) without sacrificing reserves etc, then perhaps just pay the $15k on the smaller loan. 

This is an extensive question and a lot of variables can come into play.

They lived there in relative peace for almost 3yrs until the downstairs tenant’s sister screamed at the upstairs tenant for playing music too loudly one day two months ago.

Contractors play an important role in the overall process.

If the property closes without 1031 documentation and if you touch the proceeds your exchange is dead.