I have already obtained all but the corner property. 

This will also impact the Appraisal the Buyer obtains as well as far as value goes and coming back "subject to" versus "as is".

With the mortgage contingency, as long as you followed through and made an effort to obtain a mortgage, you should be able to get all of your money back.

I already reached out to the zoning department to obtain information. 

FASB allows for a choice of either but it is very difficult for public companies to change from FIFO to LIFO or LIFO to FIFO.

Can a person with a criminal record obtain a real estate license?

No big, national, publicly traded banks will do this loan type.

In order to be fair, I provided a comparative market analysis in order to give her an idea of what it would sell for in a public sale.

There is always the debate of whether or not RE investors should obtain a license.

Not verbatim, but basically they state that if you negotiate and contract a purchase price for real estate, then market that RE publicly, locate a buyer and bring buyer to the table, and receive a fee for that, you are "brokering without a license".