It looks a bit like a stacked double wide. it is going to need some updating.

The cost of billboard rentals can vary widely depending on the location and the type of billboard.

I looked at a wide swath here.

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. 

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

Use 10 wide units. 

The lights next to the window would be great if you could position a bed that way but looks like the room is maybe 8 ft wide so I doubt you can.