Colorado law considers "anything that could impact a buyer's value or desirability of a property to potential purchasers" as material, which is a pretty broad description. 

Do you have properties in that geographic location.Are you going to visit to look at potential properties or are you looking over the properties you already own.

Today its guys or gals just throwing up a non descript ad on Craigslist with no pictures, very little information and no real way of contact them except through the CL email system. 

Geographically they are blocks apart. 

You can easily do this on airbnb by selecting duplicate this listing, the reasons are for A-B testing, you can try out different images, pricing, listing description ect ect and see which one does better. 

Here is the description - "This is a 2 unit duplex.

Here is the description - "This is a 2 unit duplex.

Certainly some factors, e.g. size of the facility, occupancy, geographic location (property taxes, hurricane or flood insurance) can effect this percentage.We consider a "stabilized Facility" to be 85%. 

I like the class functions they you could segregate costs by unit, building, and even geographic locations, such as NY vs MA, through the use of classes, subclasses, down 10 levels.At the same time, I also did accounting on the side for a government funded non profit that that I use classes to segregate funding sources.

And they sometimes have a geographic focus.