I want to do a shared well (private water supply), and everywhere I look on the Mass DEP regulations, there are no prohibitions regarding shared wells.

Public solicitation for investors in prohibited.

For multi units, there are reserve study consultants and professionals but that will likely be cost prohibitive on a single family home.

The listing that says "non-conforming 4-plex" or "non-conforming STR (short term rental)" may actually be an illegal use prohibited by the current zoning or land use code.

Now your neighbor suddenly turns his/her home into a short-term rental because there's no specific zoning law that prohibited it since it wasn't "a thing" before 10-15 years ago, and most zoning laws are a century old or so, and you are expected to live with the aggravation while your former neighbor profits.

Generally this approach is highly discouraged as it has zero advantages for you, the landlord.You need to keep it in a separate account and draw out the rent amount only each time it is due, meaning you can't take the money and go buy a boat or something.I never understand this logic except if state law/local law prohibits. 

To answer your question...yes, the bank can likely call your loan if they choose because of a due-on-sale clause that is probably in the agreement which prohibits the transfer of title without their consent.

This sectiondoes not prohibit employment of an answeringservice or unlicensed clerical or secretarialemployees identified to callers as such to confirminformation concerning the size, price and termsof property advertised.

Section 6254.21 of the Government Code prohibits the posting of home addresses on the internet of any elected or appointed official without his/her written permission.

If you were to transfer the IRA into a mutually owned whole life insurance policy then take a out a policy loan to begin investing you can alleviate most of you problems.Life insurance is one of the few investments that is specifically prohibited for an IRA.I think actually owning rentals has several problems.