Being licensed means taking on a legal duty that limits one's ability to take certain actions other investors can take.I know people who became licensed stock brokers but never got a job in the industry.

I get there's some likely restrictions on timing and tax implications, but seems as close to a sure thing as you can get in the investment world.What am I missing?

The additional room attached to the property, we were told that it wasn't legal by the owner's son(the owner passed away). 

But there's restrictions put on realtors and that's the main reason I've stayed away from it. 

the business is a legal grow oporation.

When the legal documents for a deal arrive, make sure the legal paperwork is complete and accurate.

I need advice on acquisition of the physical building, funding for converting the faculty to storage, and the legalities.

Do not rely on it for legal advice.

Security deposit amountYou can find plenty of examples by searching for "tenant estoppel certificate doc" or exchange "doc" with "pdf" for more options.Here is an example and explanation: https://eforms.com/rental/estoppel-certificate/Some have a lot of legal jargon but this document does not need to be so detailed.

There was a podcast recently that discussed buying properties with legal issues.