Licensed real estate agents cannot legally screw a seller and then instantly resell for a profit, because that's virtually indistinguishable from a net listing. 

It was a Single Family home with Accessory Dwelling Unit converted into 2 condos.   

You have to make sure your current lender let's that instant re-fi period. 

Having said that, there are some great designs being offered that make an ADU less ADU-ish and an attractive dwelling option. 

I hear they are only approving license’s up to 1% of the total number of dwelling units of the entire county.

They probably won't specify or define terms for tenants occupying a dwelling over 30 days but under a year.

Designated campsites will be leased by Proactive Properties or its nominee (Owner/Lessor) to campers (Lessees) who will purchase and install PDC-approved geodesic domes, tiny homes, tents or other non-permanent dwelling types.

As you may know there is "Multi Dwelling Law" which places owners in the crosshairs for renting short term (for less than 30 days when they arent present in the property, ala AirBnB).

If you go into a partnership dwelling on the loss of control, the shared profits, and the potential headaches it may foreshadow what you experience.

The first thing you want to do before moving any money around is to increase your contribution to 8% annually, whatever is company match whether it’s 100-50%, nothing in this world will give you that instant of a return.Then formulate a strategy on what types of REI you want to do.