He views them both as a hobby, accessory and investment.

Eating edible weed doesn't present any danger, no more than alcohol or a lot of ding-dongs.I have rules against smoking and vaping, which protects the property, and I have a rule against criminal behavior.

Some lenders does  accessory unit. 

Renting rooms is quite common in the Bay Area.In addition, here is some info for you if you’d like to read up on the ADU rules and assembly bill 68 which will capture the guidelines to build accessory dwelling units.  

You could also look into ADU's (accessory dwelling units) depending on the property.

In certain parts of Long Island, they are trying to eliminate accessory apartments.

Does anyone have any experience dealing directly with Sandy city planning, specifically to get a conditional use permit for an accessory apartment? 

Good morning investors, contractors, homeowners, banks, and code enforcement persons. I have a question regarding adu's  about what can and cannot be done in Washington state? I know there are limitations and certain ...

Purchase price: $384,000 Cash invested: $5,500I teach average people how to find, read and understand their local zoning code as it pertains to ADU's (accessory dwelling units).

Build an accessory dwelling unit (ADU): An ADU is a smaller, self-contained dwelling unit that can be built on the same lot as an existing home or duplex.