It really is something special and a bit of a hidden gem. 

To navigate these complexities and ensure you’re optimizing your tax strategy, it would be wise to consult a tax professional who specializes in international taxation and U.S. real estate.

If the funds come into your direct possession at any point, you'll likely lose the tax deferment.

More trouble than its worth unless you partner with an operator that specializes in it and can provide the expertise, nursing contacts, etc. 

Do you specialize in the Landlord tenant laws for Maryland?

Running the numbers thoroughly will give you confidence that you’re making a wise investment.Leverage Local Knowledge: Partner with a real estate agent or broker who specializes in multi-family properties in Austin.

Scott The Book on Flipping Houses,The Book on Estimating ReHab Costshttp://www.biggerpockets.com/flippingbookLocate and attend 3 different local REIA club meetings great place to meet people gather resources and info.You might consider Niche or Specialized Housing like student housing.

Yes, Real Estate broker in the UK, and lender who specialized in buy-to-let (investor style) loans

And some special interest provisions are just wrong.  

Yes, Real Estate broker in the UK, and lender who specialized in buy-to-let (investor style) loans