In general these are either growth markets or markets short housing that has significant hurdles to adding additional housing. 

I haven’t seen any longer term studies done, only promotional info when the RE market was generally rising.  

When it comes to real estate, here's a general list of eligible assets and their depreciable lifespans that you should know: Residential Rental Property = 27.5 yearsThis includes any building or structure where 80% or more of its gross rental income is from residential units.That means:- Apartment buildings- Single-family rental homes- Duplexes, triplexes, and quadplexes- Mobile homes (used for residential rental)- Any kind of residential lodging facility where the primary purpose is long-term rentalCommercial Property = 39 yearsThis includes non-residential properties like:-Office buildings-Retail stores and shopping centers-Warehouses-Industrial complexes-Hotels and motels that do not qualify as residential rental propertyLand Improvements = 15 yearsThese include sidewalks, roads, fencing, some landscaping, and parking lots that are separate from the building.Personal Property = 5 or 7 yearsPersonal property used in a rental activity usually has a 5 or 7-year life.This includes most furniture, appliances, carpeting and various machinery.Qualified Improvement Property (QIP) = 15 yearsGenerally, this includes any improvements made to the interior of a non-residential building after the building was placed in service, excluding elevators, enlargements, and the internal structural framework.Computers and Related Peripheral Equipment = 5 yearsVehicles = 5 yearsNote that the land itself is not depreciable.

The precise property forecast can vary depending on a lot of factors but the general demand is really what you should use the tool for to make your plans. 

I have several vehicles and lots of stuff in general and a wife that would not be ok with a duplex.  

I wouldn't even have known about this law had I not been on the Secretary OF State's website setting up a new LLC.

My understanding is that if you’re looking to refinance a fixed 15- or 30-year loan, it’s generally recommended to wait at least six months before doing so.

If its general information, Bigger Pockets has a ton of info that you can learn at your own speed, just type "STR" or "Short Term Rental" in the search bar and a bunch of info will show up. 

More generally I think the market here is very interesting.

Basically cash in the bank is a very good way to get an approval on bigger loan amounts or in general.