Use common language, no jargon.

That is the most common program I know of for 1-4 unit low money down. 

I am sure we all share a few common goals centered around this.  

I am sure we all share a few common goals centered around this.  

There are different ways to split the gains, but using square feet is the most common. 

That's the easiest and most common solution.

I've had success on Facebook Ads but it was trial and error.

Perhaps there was an error in the tax record?

The alternative is to get the LLC taxed as a corporation which is less common because it is less advantageous.The case for non US persons is more unusual for CPA, and I believe that the most economic setup for a LLC for tax if at all depends on which country you are resident. 

I have considered leasing both homes separately like a duplex and allow both tenants to use the pool as a shared common area.