It seems to me knowing the specific market, which way a neighborhood is going, etc... is all extremely important in this thing.

You are paying for future income not present and that is a mistake.The problem with our market is that realtors are stupid when it comes to actual value and sellers are extremely greedy up here.I believe you are over paying but the likely hood is some one else will pay the price since investors up here simply follow the trend.

It's been extremely durable in our rentals

AND YESthe Home Has Extreme FOUNDATION DAMAGE, FLOOD DAMAGE, POSSIBLE MOLD/BLACK MOLD DAMAGE..ABOUT 12YDS OF CONCRETE NEED REPLACED..I WISH I COULD SEE THE "PERMIT VIOLATION BEFORE THE OFFER"???

Asbestos siding is extremely common for older frame buildings.  

In extreme cases, heat can actually be your friend.

your going have a extremely hard time finding a good GC who isn't expensive, but also does great quality rehabs and that wants to work.

Learn set up then programming good future in that field, it is extremely tough and low paying initially but if you can edit and modify and set up mill and lathe you can make decent money, look in the North east ATL for jobs like this!

Extremely helpful.

Again, that is an extremely rough estimate.