Before you make your decision, check  Furnished Finder to see what the competition looks like and how many have wide open calendars to get a sense of supply & demand.

Compare the all-in $'s to putting in a 14x40 single wide, basically. 

Multifamily has a wide range of property sizes, types, class etc.

Madison was always more of a college town, so it was not impacted the same way.And MKE has a wide variety of neighborhoods with very different ptice ranges, look up Whitefish Bay or Wauwatosa, they are expensive. 

Strategic Investment: The opportunity to acquire the property through a short sale presented a unique investment angle.

That is his angle.

Warren Buffett says “wide diversification is only required when investors do not know what they are doing.”

To come at it from another angle, I've just got 2 properties.   

Use 10 wide units. 

Data generally has a wide angle of a market and lots of averages.