It would probably be considered fraudulent to omit the payment information.

I have been negligent with nothing nor have I been fraudulent.

Will a simple dust mask combat this or do I need to splurge for a more heavy duty mask?

Failure to do so violates the terms of loan and subjects you to the loan being called due Making fraudulent statements in acquiring a loan is subject to prosecution Describing it in "hoochie doll" terms.

There was a pretty high profile case of a couple getting a hefty fine and some jail time over a fraudulent property disclosure here in Florida a couple of years ago:http://www.tampabay.com/news/courts/couple-charged...

So many people are wary of craigslist now, due to a lot of fraudulent postings on the site.  

Aside from a sustainable, above-average CROI, the appreciation is still remarkable, and has already appreciated enough in 2.5 years to combat any market corrections.

An angle to take to combat this situation would be to quit claims the home into your personal name for the refinance and quit claims back into the LLC.

The only way you combat the risk is by costing it into your max bid price. 

I dont have the exact answer to this...but whatever answer you get make sure you do your own research as this is a very sketchy area...it runs right along the fraudulent line so you need to be extremely sure of the rules.