The fact that you are thinking about it may indicate the property is more stressful than it's worth.

Also, it’s interesting to note that not maintaining corporate “formalities” is one indication of “disregard”.  

@Aaron MaxwellThere is publicly available data that will give you an indication of growth in an area.

I have asked if they feel unsafe but I never get a straightforward answer which could be indicative of one of three reasons you stated.

You agree to pay the monthly Rent indicated above via deposit to the following checking account at XYX Credit Union: account # 123456; routing # 123456  (nearest branch is 123 Main Street, CITY).

Some will indicate risk margins - even though flips like the ones in your area aren't impossible, on your proposition the risk factor would be through the roof. 

There's plenty of posts in the Philadelphia forums that highlight the fundamentals that are the stronger indicators of appreciation.

There was no reason why indicated nor anyway to contact them listed. 

The fact they were sketchy indicates they are trying to pull one over.

This is a solid indicator that sellers still remain in power within this high-demand neighborhood.Can this trend continue?