You have the same problem as most other investors, finding actual deals.

it could have been 1 million and still that's not my damn problem as a landlord.

Will my DTI be a disqualifier/problem as the number of doors (and debt) increase?    

The more you drift toward the realm of the "subjective", that can also be a problem as the result becomes more vulnerable to what often can be substantial manipulation if the realtor for instance has an interest in the transaction.If software has any advantage, there is some value in knowing what the average or mean is for an area based on several hundred or thousand+ transactions as opposed to 10 or 12 properties (or less) in a manual computation. 

Second problem, a bigger one: it says "any period."

First of all the problem as I understand it - some convenience centers are filling up too fast and are closing early presumably due to short term rental trash increase.  

If you're just looking to make it look nice and stop the peeling (an economically efficient way to solve the problem as long as possible, EVERYTHING w/ANY coating will have to eventually be repainted someday) I would pressure wash and make sure to get any peeling areas off.

I think it will be the same problem as today.

Old buildings such as that bound to have vertical cracks in the basement and those are easy fix if that this the problem. As

But not a huge problem as long as they plan for it.