We partnered with our mother in law, and with the way the S&L was looking at it, it was totaling 8 mortgages between us.

My mother in law lives near Toledo and my wife and I visit from time to time. 

The lovely folks at BP have listed some of these things here -- everything from slimy PMs to Mother Nature to investing on the wrong block. c) I gave myself a reasonable timeline to research all the things on my list of scary/confusing things (I read books, the internet, forums, called realtors, friends, etc.)d) After my research deadline passed, I pulled the trigger by visiting the area for a weekend (I made arrangements to be hosted/shown around by a local wholesaler who had several properties I was interested in.

Wifes house been rented by her mother for last 5 years.

Our cleaner is one of our tenants (she and her mother have a cleaning business), so a portion of what we pay out makes its way back to us.

We are in the process of doing an ADU for my 94-year-old mother in my niece's backyard in Riverside.

And I've done good with the money to help out my mother and father. 

I would aim for house with dual master or mother in law suite plus an ADU as long as it doesn't make the sq footage too high.For a MTR I like a 2/1 or a 1/1. 

My mother recently gave me one of her rental properties quit claim deed.

I was informed that the potential tenant in question is a single mother in a transitional housing situation (not chronically homeless) and after talking to the case manager I feel better about things... plus they pay above market rent and a security deposit.