An activity is a rental activity if tangible property (real or personal) is used by customers or held for use by customers, and the gross income (or expected gross income) from the activity represents amounts paid (or to be paid) mainly for the use of the property.

What is the customer demographic that is driving STR/MTR in Fargo?

Definitely talk to a 1031 specialist like @Dave Foster to get the mechanics of the 1031 process.Sounds like you want to keep your one rental and get rid of the mountain houses.

Customer service has also been very good in my experience although hold times average around 5-10 minutes depending upon the time of day you call.  

Cleaning fees and other line items are revenue; its just a way of parsing out revenue to try to reel in customers. 

Contractors live in fear of this because it sticks on their record forever when a new potential customer looks them up. 

Some have sober homes for men or a place for youths who have aged out of foster care.

Are they handling most of the interior design and finish selection, i.e. picking out the white oak flooring and designing the custom built-ins in the study?

The condo includes high-quality granite countertops, custom cabinetry and wood floors.

You just have to use custom documents.