Might help drive some business toward you but also show the municipality that you are taking an active role to help non clients make their STRs better for neighbors.

I'll play your role this time:"Just house hack!"

However, that doesn't mean the lender would exercise it.

Logic of any kind has a very small role in making the IRS rules. 

Leverage your W2 and the steadiness of a CPA role and use that to buy real estate.

make sure you clearly define roles, capital investments, and obligations for ALL potential scenarios so that you're on the same page about them well before they potentially arise. 

Our role is to simplify the selling process for sellers.

You can find out how to workout online too, but it’s absolutely nothing compared to having a well-qualified trainer with an exercise science degree (I know because I have one after failing on my own).

If he failed in his role as an HOA Board member, then the entire HOA Board may be legally liable.

It's somewhat ironic that I, being a tax professional, insist on pushing taxes into a secondary role, but I do.