When you are purchasing a multifamily property, the seller will be advertising the property performs at a certain cap rate.

Lots of crime over there, I'd say best bet would be 1 occupied and 1 vacant.

With C or below you probably can't avoid some of it so I'd go with a recency bias, ie anyone who has a long period of time between their last eviction and successful rentals other places will be a safer bet than the guy that just got evicted. 

Background checkCredit checkPast performance.

He is not financially independent, but I bet he's living the life you dream of.Figure out what you really want, then start building a plan to get there.

Ensure your records include details of any hired help and the tasks they performed.

@Dennis Boettjer be careful about basing your decision solely on past deal performance.

After nearly 3 years of operating history, I'm concerned that the properties are not performing well enough to warrant continuation of the venture, and I'm considering selling.

BUT, please be aware of the followingMissing interest payments on a promissory note is not necessarily the result of a fraud, most often it is simply the results of a poorly performing business.  

Here's a bit of background:I have over ten years of experience in real estate.I've bought and sold hundreds of properties in the past two years.I have six performing rental properties and aim to expand this to 50 by the end of the year.