Most have a basic allergy to mathematics so you have to make sure they haven't "accidentally" made a mistake.  70% of brokers don't know the difference between cap-rate and cap-ex.Have you physically been to the property yet?  

In WI there is no duty to disclose, as it is not a physical defect to the property, I have been watching one in my area for some time now, and buyers have been scarce, the issue is it is stigmatized, even though you are not required to disclose in WI, everyone knowns, and someone will tell the next occupant, that may be a problem. id say unless the deal is so good you cant pass up, leave it alone.

It is possible to have a business name that is not incorporated but it can be confusing. 

We are recently incorporated and I am more concerned with building a good reputation/portfolio than I am making extra profit.

I have realized that over the last 12+ years in corporate america that the stress, bureaucracy, and increasing hours are taking time away from my family, friends, hobbies, and myself.  

It's a lot easier just to play it straight from the get go and get all those costs incorporated into the framework so you'll know what your costs are and can adjust your price point accordingly.

I will incorporate them into my dashboard.  

I was a manager in corporate America for years and wanted something better.

If you have made extra principal payments, you must change your interest/loan amount denominator to incorporate those additional principal payments, with consideration for time-value of money.  

Find out which people in pre foreclosure are not shortsales then physically knock on their doors and see if they will sell.