They have all their paper work in order and about $70K for a down payment.

Wanted input because on paper it works very well.

In 1946, lead pipe should not have been used;drum traps;unvented fixtures;cast-iron sewer main which is near, or at, end-of-life.General:Asbestos - in flooring (9x9 tiles); drywall mud; pipe wrap; external siding;rock board / plaster board - drywall was still a relatively "new" thing and some of the early iterations were hard boards intended to replace lath as a substrate for plaster;barker board - common in kitchens and bathrooms;gypsum wool insulation  - paper-backed insulation batts spun from molten rock and slag.  

I'm currently refinancing my primary residence (Freddy Loan) and set to sign papers sat.

Paper your file with evidence of your efforts.  

In fact, if you forget your cards just have a pen & some paper handy & take down their names.

I went to Wells first and they screwed up my income calculation from the start so when it went to underwriting, the deal died and wasted 3 weeks of my time.  

How do you decide when to toss the sheets and towels or reuse them?

You can put a piece of paper over the number and rub a crayon or a pencil until the numbers show on the paper.

I have a solid understanding of investing in a broad sense, especially in traditional paper assets, but as for real estate investing experience, I'm as new as they come.