It is impossible not to increase your bottom line with thousands of "Baby Boomers" going into retirement in communities nationwide who will be needing service enriched housing but,  still wanting to avoid institutional settings.Converting some houses into home like personal care can be tricky.   

With the respect that all humans and in addition our elders, deserve.Quoting a line from Fried Green Tomatoes "I'm old, I'm not a child."

I am very familiar with that property - lived there since young child/worked/currently own properties in area.

Unless you really believe the Ann Arbor market will appreciate drastically in the next few years, or plan to move back or have a child move in or similar, I think you may find better appreciation (especially if willing to accept cash negative or similar) in the San Diego market. 

It may sound bad, but it's similar to a parent/child relationship.  

I was invested in multi-family, but like ss much better because it's just steel and concrete...the tenants can't damage it and no one ever calls me at 6am complaining that their child flushed a toy down the toilet like you get in multi-family.

If you don't have relatives willing or able to help, there are lots of retired baby boomers with low yield financial investments.

Now that I have a child I am subbing most of the work out.

It would be interesting to start a new reality show where parent gives an adult child a successful, cash-flowing rental property business with 100 rentals.

., and what amenities for the best return) With baby boomers moving into retirement age, that will have a big impact on the future market growth.