@Jon Mekeel, I hear what you are trying to do but this really should be in the classifieds as it looks like you are trying to get a new business started and is hoping to drum up some clients.I have never had my cleaner cancel last minute but I do have others I can get with if needed.

If you are married - put each one in a single name and you can then have 20 - there are higher qualifications the more  you have though.

Would love to learn more about what you are wanting to do via wholesaling. 

Keep in mind the chalets do not have a typical deed-they are issued a DMV title as they are technically on wheels.

What type of meters are installed now?

You can list all the reasons why you charge $250 for a one-time shoveling, but nobody will care when there are other vendors doing the exact same job for $100 or less.I'm in a city of 10,000.

I realize there is a lot you don't know about family dynamics, the location, market, etc.

Seems that you are most focused on property taxes at the moment, but all of them really need to be evaluated for a complete picture. 

APR/yield) etc without having to do any of this manually.  

Some parts you can systematize, but for things like turnovers, repairs, and showings, you need real boots on the ground.I built a 12-door portfolio in Detroit while living there, then moved back to California and managed them remotely for a while.