Trailers that occupied as a residential dwelling are considered permanent property by the IRS and are 27.5And land improvements or infrastructure driveways, landscape ect are shorter life and can potentially qualify for bonus depreciation. 

Now work backwards from this to set shorter goals and a plan should start to form.

Rates can be a tad higher (figure the 5-8% range depending on a wide variety of factors like FICO,LTV, size, property type, etc) but the 30 year terms can often provide improved cash flow over the shorter term notes from local banks.

My thought is if you can convince them to finance the deal,  increase the down payment a little and have your term be something a bit shorter, maybe 3-10 years (big range but up to you).

Might be able to go to a slightly higher LTV w/ commercial loans, but the shorter term makes it harder to cash flow.

However, I think that having the shorter term is actually more risky, because if your rents decrease, you will have negative cash flow.

You'll usually find that longer strokes work better than shorter strokes.

We wI had thought about doing one (super long) post vs several shorter posts but reasoned it may be easier to consume, and for me to write, if I did the one a day.

And isn't the term much shorter than 30 years?  

Everything is negotiable...........typically SF is for a shorter period of time-up to 5 years.