It should be noted that the cases were prosecuted against companies that owned and sold thousands of properties nationwide, not against small time operators, but anyone who attempts to follow the model is better off hiring a well versed in the subject matter attorney and be aware of state specific restrictions (like in NY, Wisconsin and others) on Deed for Contract agreements.  

Important things to look for: if you want to STR (you will make more this way) then no rental restrictions, if you plan to MTR, 30 day min works, anything longer doesn't.

Maybe that area has a certain special restriction of which your architect is aware that I am not privvy to.

Both permits often have restrictions on the industry the holder cannot engage in.- The holder of a work permit does effectively become a tax resident as far as the CRA (Canadian Revenue Agency) is concerned at which point they will qualify for certain things such as purchase a house without being considered as the foreign buyer; hence, foreign ban hammer not weighing on them.

We do not have STR restrictions and the county is full of vacation properties.

I don't know if SF County has restricted the AirBnb licenses.Jens

Your lender can restrict your access to that credit for a number of reasons.

Miami has strong demand for short-term rentals, but make sure to check HOA rules and city regulations since some areas have restrictions.

As mentioned above, Portland has more restrictive rules than most of the state of Oregon.

Of course, with all things, the answers to all these matters will depend on the circumstances.California tends to have more laws on the books and requirements and restrictions that it can be a good idea to form a CA LLC for out of state property so that you as a CA resident are covered, and to try to have your contracts fall under the purview of CA courts.