She again didn't move on promised date, this happened many times and she finally left. if everything were done the way it should have been done, your manager shouldn't be uncomfortable taking the next step, which is collections (whether it is a collection agency or a civil action with the help of an attorney).

I've talked to some investors that are pursuing litigation on this. 

Not likely going to happen.If you re-examine your own profit model, establish a budget and timeline for most QTA's you'll probably have a $2,000 - 25,000 expense, absent any litigation. 

They can arrange or put you in touch with civil engineers, surveyors, geotechs.

When I asked him does he have verification that the mortgage company has written this off he said this "No but there no longer in business and you can see on the title how old it is and that the has been no litigation".

To avoid this, go to an expert (land use/business litigation)  who is experienced such that they will tell you that they don't  need any research time, but they already know the info you need.  

Another is the reality that as an individual landowner you would be a more attractive target in my view for potential litigation.  

It is the most regulated, litigated state in the Country.

Graduated and found a job right away in Civil Engineering.  

The rich rule over the poor has always been the case in every civilization that I know of.