It's available on the BiggerPockets bookstore and helps explain how to fund the loan properly and legally.

For newly constructed, purchased or renovated properties and also retroactive generally over the last 10 years, building components are properly classified into individual units of property and accurate recovery periods for computing depreciation deductions.

This "guest" will be a tenant in the eye of the law so then you should treat them as a tenant and properly screen them and have them added to the lease. 

A properly structured syndicated offering will be an LLC as is, therefore, from an asset protection standpoint, there is very little point to forming an LLC just to participate on the LP side.Now, if you are trying to pull partnership money and charge the partnership a management fee, which sort of makes you a feeder fund into the syndication, then there are a whole host of questions for an attorney. 

If they are on a month-to-month lease, just terminate her tenancy with proper notice. 

Would the proper approach to our final sale price be based on comparable price/sqft homes?

This ensures income is properly reported for both years.

Thus, the next challenge and frontier for many DSCR lenders seeking to serve the growing number of real estate investors pursuing this strategy is to cement a qualification and underwriting methodology to properly qualify MTRs and accurately project their revenues.

Sure, but it's called creative financing which of course we teach, and in my humble opinion requires someone who knows what they are doing to properly put it together.  

I’m looking for advice on how to do this properly.