I wouldn't lease until verification.

Where to find the properly motivated sellers...the age old problem.

But if you’re under age 59½ and your withdrawal dips into your earnings—in other words, if you withdraw more than you've contributed in total—you could be subject to both taxes and penalties on the earnings portion of the withdrawal."

Take the total equity they have in the property and compare it again the MLS recent sales for (age of building, square footage of building and rooms/bathrooms). 

They are the same age, about 45 years.  

You will get employment verification, TU credit score, any accounts they are delinquent on or in collections, and criminal history.

And there are many things to consider, including your entire financial picture, your age, your family, your future plans and goals.From a purely financial/math standpoint what @Chris T.

He must have one a lump sum settlement because he has 16k in his checking and 360k in his savings (still working on verification). his previous landlords gave good reviews so he looks pretty good.

Above the range is a GE Advantium high speed convection oven/microwave.

I used to live in her unit and she treats it as well or better than I did 3) based on her age and comments, I know she has no plans to leave.