•I was once told that there is no true test for black mold.

That is not true. 

The same would hold true for performing notes.

Other people on this post made great points of true potential pitfalls that could be damaging, so if you will rent to her have her sign a formal enforceable lease like @Elizabeth Colegrove suggested and let her know that this is what all [responsible] landlords will do. 

Lets just say we saw alot of true dung to find our first diamond in the rough!

The same holds true in Manchester.  

This is not true if you personally check your credit score.  

And if that assumption holds true, would it effect my chances of getting a loan?

Very true @Brent Coombs Thanks for the tip!

Your goal should be to live for free-true hacking!