That being said, I would like to reiterate that nothing is going to change.. because, you know.. humans. 

With that said now it is time to quickly and potentially get this property sold to an interested buyer for a win-win price.Keep in mind that the state of California will want you to be a mobile home dealer, retailer, broker, or real estate agent if you plan on making a profit with a mobile home, even in a park.

I always end up going by myself so it'd be a blast to have actual other humans to talk to :)

We had thought about having the business (the general contracting business) purchase it before we started the rehab, so as to separate out the dealer status business from us personally. 

That's why we accountants have the most job security after nurses and drug dealers.

You sell the property through a dealer on a 30 year installment note, interest only.

Find a good used appliance dealer instead.  

This is one of the credit that federal as well as state extended to RE dealers and investors. 

An installment sale to a dealer, which results in:a) deferral of capital gains tax (for 30 years);b) an installment note from the dealer, which pays the seller interest-only payments for 30 years, and ending in a balloon payment, at which time the principal is repaid to the seller by the dealer and the capital gain is recognized.2.

Have Cousin Earl's LLC buy the first one all cash for an inflated price, basically do anything humanly possible to get the first batch sold for as much as possible in nominal sticker price.