From my experience: SMS has the best conversion but is the most regulated, so it depends on the rules in your market. 

These days, DSCR loans are really the go-to product for investors but many different lenders have overlays and specific sets of rules in their playbook.

So, the rulings aren't necessarily as consistent as you would hope. 2.

It is investment banking, so the rules are much different than your "normal" lenders who offer mortgages or loans to cover a single or portfolio of collateral. 

While the owner is free to sell the property and the information about how they run it as a business, AirBnB does not allow them to sell their online identity for the platform.

But then we have to get into talking about the passive loss rules, which may prevent you from actually being able to claim a tax loss if the deduction is more than your rental or other passive income.Or you can claim the actual expenses (gas, insurance, etc) for the vehicle and regular depreciation, proportioned by the percent of business use of the vehicle.  

I plan to never pay tax on the appreciation with the current tax rules (1031, die with step up basis, etc).Best wishesYou are way off topic.

Are there any rules, laws, or regulations regarding this?

Brad's group is based in Dallas, but his students live in and are buying in many states, including Arizona, so if you think you might benefit from such a program, don't rule it out based on your location alone. 

The rule of 5's, or 5% for capex, maintenance and vacancies is going to get you in trouble.