I’ve thought about selling our current house, using that equity to pay for a single family fixer upper that we’d work on for around a year, and do it again.

Highlight the three dots on the upper right and click quote. 

I believe it may be a 2 unit rental, with a 3BR 1 BA lower and a 2BR 1 BA upper unit.

A handy search bar in the upper right makes it easy to find previous discussions, blogs, podcasts, and other resources.

Any body can refer me to an excellent RE mentor?

One of the things he championed was the use of religious bodies for that purpose, something no Marxist would have permitted. 

You need a place to live, so find something that provides a roof over your head and the potential for a return.I know a guy that buys fixer-uppers, lives in them for a couple years, renovates along the way, then sells for a profit.

This is before you jump in and spend $100,000 and 3 to 6 months in buying a $300,000 Fixer Upper House to BRRR or Flip or whatever and waiting to Sell a year or more later on.

He's in his upper 60's and does not have a BP profile, not on Linked In so not much to check on.

This was one of my favorite before and after project pics where we opened up the ceiling to add a good looking stairwell to the upper square footage.