I've also been told that the syndication structure would need to be substantially complicated by forcing the GP's and LP's to instead own shares in the TIC/DST, and become co-owners in the deal rather than partners.

Remember short-term vacation rental pricing and marketing structure is typically centered around the hospitality industry (think hotel rates, etc.)5.

Love seller financing but it’s gotta be structured Right 

I have seen estimates for new construction of $125-$200/sf, but that includes the actual structure, which I already have.

Her legal addition that was on the house when she bought it turns into a illegal addition based on the fire codes stating structures needing to maintain 3 ft from a fence.

@Janelle NilesYeah, I have a few investment properties (there is no substitute for owning physical properties that I can actually drive by and see and manage!

Are you structuring it to be the payoff balance of the mortgage in X number of years?  

What made me interested in this deal was the location and the structure of the house.

You would have to meet the asset test AND the services requirement mentioned above (depending on whether you are in a direct or 2-tier indirect structure, which is a whole separate discussion).

Tell them you are interested and you would like to know how you might be able to structure a deal that works for them.