Its not unusual for investors to GC their own rehabs (although not advised when you scale up) but be aware that your "subs" can take advantage of your being unsure of going rates.

Limestone walls hold virtually no water back, so redirecting the water away is the key.Account Closed did a fair analysis of your problem and hit the solutions on the nose. 

Elderly buyers, excited, , went to the closest realtor,  and  broker to give us  a contract (they were afraid to leave town without us knowing they were serious:(  In fact, when they entered the office and said they wanted a contract drawn on a house they love, he  (not unusual) asked them if he could take them out to show them some houses.  

I find it unusual that almost all of your criteria are for personal preferences vs which markets have strong appreciation, land lord friendly laws, least natural disasters, etc...

Calling 200 banks is not unusual for most investors.  

Might be necessary to post an example of what you are doing to determine if its a computational error or you buying at an unusually high price.

It's not very unusual for some of the larger AC units to be too big for some windows.

This is an unusual situation.

I'd work at correcting that through a Ratio Utility Billing Service, but for the purposes of valuing the property now, I'd use at least 50%, and, as another poster said, 60% is not at all unusual.

Introduce yourself and give your business card to all neighbors at nearby properties ask them to call if they see any unusual or troublesome activity at any of your units.