I just want to make sure I understand the distinction you are drawing.

On the contrary, they have distinct set of policies that clearly tell the applicant "these steps must be followed and you must be approved BEFORE the animal can move in".5) They acknowledge the difference between an animal the resident has been living with or already has, and an unknown animal they are planning on buying. 

Here's where the distinction is: After 5 years you sell the property with the 5 year old fence.

The Tiny Homes have two distinct advantages over mobile homes.

Alternately, partnering on longer-term real estate investments offers distinct tax benefits and greater returns, that the two of you might consider.If your dad has idle money in the bank, or perhaps in a tax-deferred or tax-free self-directed retirement plan, an 8% - 10% loan could make some sense, but not if he has to borrow the cash.Jeff S. – Private Lender in Los Angeles

That seems to be a key area of misunderstanding here, the distinction between proper wholesaling and unlicensed brokering.

Obviously, there are less home buyers buying fourplexes rather than SFR or duplexes, but I'm not sure why the bank cares as long as it counts as a comparable unit.I'm not trying to sound contradictory, I just still haven't fully understood the distinction yet.  

It really needs an in-depth discussion with a tax expert specializing in real estate.There is a major distinction between a developer and an investor for tax purposes:Developer buys, subdivides, maybe builds and sells.

Agree with @Carl Fischer that you should engage a tax CPA or EA to examine your unique facts and circumstances...However the distinction between who owns the roof is important and determines tax treatment. 

Those are 2 very distinct things.