Exercise patience and build a relationship of trust with these potential sellers.

StilllWhat happens if your relative is not paying you rent, for whatever reason - lost his job, got flooded in a storm, had a medical emergency?  

I have a dear friend in Chattanooga, TN whose children have had some serious medical problems that have left them very little extra income every month. 

The medical industry continues to grow.

It is already being marketed and should attract a tenant fairly quickly as it is the only vacancy in a high end medical park consisting of 20 other buildings. 

One thing you didn't mention is medical which can be costly in the US. 

When I went through this exercise a few years ago with a proposed multi-family build, our challenges were not finding a model and a builder/vendor, but meeting all the requirements needed for site selection. 

As an exercise, it's fine to play around with the numbers to get the desired cash on cash return, but you should know when you've deviated too far from the median price.I suggest looking at the sold listings on Zillow, Redfin, etc. to familiarize yourself with recent comps in the neighborhood.

FYI, there is a lot of lawyer, medical offices, yoga studio, chiropractor who lease property in the area.4.

Unlike your typical retail pharmacist, most of my time is spent providing medication to nurses to be infused in patients' homes.