If I were in your position, I would either - Ask for the nurses contract or recruiter contact to verify employment and use this as the background and credit check (most travel assignments require you to get a background check prior to going to a hospital, and the contract would prove employment and term) - Offer the nurse a month to month rental with options to extend but require my cleaner to go in every month to clean and assess"

What documents do they require, what credit scores do they allow, how do they verify previous rental history, etc.?

My state doesn't have income tax, but verify how installment sales are treated in yours. 

TAX ID NUMBERSIf you can't run a credit background to verify financial worthiness, find another way to verify their responsibility OR do something to mitigate the risk.

Never trust anything that the seller or the selling agent says and always verify.

Either A) the gf's mother stole her identity and impersonated her on the loan application, B) she's lying to you and is going along with it, or C) the inquiry is unrelated to the mother's loan.

So, even if you hear "something"...having a good network will allow you to verify what's possible.Here's what you need to know based on what you asked above:1.

The identical rates of change suggest that, although rents drifted downward, landlords have avoided increasing the relative value of incentives packages used to attract and retain lessees.

Verifying last 2 years of rental history very important!

Thats where the logical conclusion goes....In order for an attorney to take the closing, they would have to confirm and verify that you did not market that property.