The longer the better of course but there are all sorts of things that can go into demonstrating your intent including actual rental, current practice, past history, correspondence with your team etc.

Demonstrate to them the value that you're providing. 

I'd want someone easy to work with, who pays on time, and who has a track record demonstrating ability, along with a few references.For that last point- I had a 10 unit deal that practically hit me in the face about 5 years ago.

A repayment plan, loan modification, or forbearance will require demonstration of the borrower's ability to pay, an assumption will require the assumer to qualify for the loan, and a deed in lieu or a short sale will require documentation of the borrower's inability to pay.

Also, if you can demonstrate that the value is less as a direct result of their actions, I would think you could recover your half of that loss as well.I would recommend doing as much research as possible because you are basically on your own.

Rarely, if NEVER do they demonstrate their success in real estate thanks to the school.

The days of getting a loan by demonstrating your ability to breathe and fog up a mirror are gone.

If it is a real business with demonstrable income you are not going to have a problem.

.`(3) OTHER AUTHORITY- The Board may establish such other standards or policies as necessary to protect against adverse selection, including requiring loans identified by the Secretary as higher risk loans to demonstrate payment performance for a reasonable period of time prior to being insured under the program.

And, in turn, ask them what you could do to help them reach their goals (you will demonstrate your professionalism and good nature).