Bill her for the service call if they are no issues with furnace.

I bet if converted BACK, it would be 4br+, probably a rather spacious 4br+: - a whole lot easier to rent given much more demand for such vs efficiency or 1brs- no longer competing in any way against apartments- no more utility issues, because tenants cover 100% of there own utilaties- no more headaches of wrangling different persons to play nice togetherAnd on and on and on...... 

But structural issues can kill you.

I don’t have any issues with it, he’s only an email or phone call away, at any given time and they’re very reasonably priced for the service and advice that I get.

Since the properties are in New York you have a few extra steps you need to do to keep all of your funds out of NYs hands at closing.Here's an interesting BP thread on the South Carolina property tax issue you mentioned. https://www.biggerpockets.com/forums/725/topics/604427-south.... 

The issue I take with anyone looking for an app instead of building their own is that it misses the forest for the trees.

In my state the standard contract used by realtors addresses this issue by allowing the agent to check a box specifically to limit the seller to keeping the EMD as opposed to going after "liquidated damages" like that.

Make sure you understand the auction process and are prepared for any unseen issues with the property.Auction Considerations: With auctions, pay close attention to the condition of the property, title issues, and financing restrictions.

Cash offers are often particularly appealing to sellers because they eliminate the uncertainties that come with financing, such as loan approval or appraisal issues.

It takes the pressure off as deadlines approach and gives you room to solve unexpected issues.