Recently, I read the biography Snowball on Warren Buffet.There are many unique attributes that have made Warren Buffet one of the greatest investors of all time: his ability to ignore criticism, his long-term focus, his remarkable ability to devour his way through volumes of books without distraction, his detachment from emotion for investing, his tremendous frugality, and much more.Buffet does have something we can all replicate.

What cap rate and other attributes would you mainly look at in the deal to decide if it's worth considering ?

It's not a character flaw, so don't take it as an attack.

“Every neighborhood has its own flavor and character,” says Emily Green, a REALTOR® with Sandy Green Realty in Minneapolis.

In other words, it is the amount of long-term gain attributable to depreciation that is not required to be treated as ordinary income pursuant to the Section 1250 recapture ruleHowever, if there were cost seg done, there might be some 1245 and 1250 depreciation recapture.

But circumstances and tax attributes are very different for everyone - maybe someone has a large NOL they want to burn up or maybe they need to report income to get a loan. 

I always go with my gut feeling and tenant character is a part of my requirement to assess.

We are concerned about any liability that may be attributed to us 

Given everything you've told us about her and her strong moral character, how long before she asks if "there is something she could do to change your mind"? 

Personally, I try to live by the code, "Never attribute to malice that which is adequately explained by stupidity."