Marketing you need to be very careful again as you have to be compliant with all laws and regulations7.

Unless the state that you reside in has certain privacy laws.

Landlord/tenant law varies state-by-state, so I would recommend speaking with a local real estate attorney.

Had my sister-in-law come live with is a little over a year in as a house hack.

Make sure there are not any rent control laws that limit how much you can increase rent and how much notice you need to give.

The intent of the BOI law is to have a record of all who own or have controlling interests in companies, in the event that such companies are involved in financing terrorist activities. 

A tax professional can provide specific guidance on how to structure this arrangement to comply with tax laws and maximize any potential deductions.

Make sure that's allowable with the governing agencies/laws. 3.

Does Berkeley have similar laws as S.F. with regards to a property being under rent control if your ADU would make it a multi-unit? 

Even retirees get raises to their Social Security and usually pensions as well.  1/2) I rent from my brother in law right now a 3br/1b for $1,300 and that is considered very cheap for Connecticut.