If they are unwilling to provide proof, then ask for a reduction in price or a seller concession/repair allowance at closing to cover the risk you're taking.

You'll find gems among those who are, for whatever reason, unwilling, unable or under-educated enough not to list.#2.

If they are unwilling, ask your GAP funder.

What if the other occupants are unwilling to contribute to the HOA?

I have tried to reason with the tenant and they are unwilling to work with me.  

2) What happens if the seller is unable or unwilling to make payments on the loan?

I should clarify that seller is unwilling to return EMD.

If you are looking at a lot of opportunities and for each one you blindly hand out this questionnaire, you might find yourself becoming quietly removed from some sponsor’s mailing lists.This might be no loss for you in some cases, as the sponsors who are unable or unwilling to answer the questions aren’t the ones you want to invest with anyways.But there are sponsors out there that go to great lengths to anticipate investor’s questions and spend many hours to produce some fairly thorough offering materials that answer most, if not all, of these questions.So rather than passing out this questionnaire to every sponsor you meet, consider using it as an internal checklist of sorts.  

The question is if we are at the point we’re more people are unwilling to make additional sacrifices and will leave.  

From a renter perspective, that is a risk I'd be unwilling to take.