I organize it by category per property.

If they fall enough, maybe it is worth a full refi to consolidate.

I had to take full time work in another city from my family.

This would be new kitchen, new master bath, full painting interior and carpeting.  

I had to take full time work in another city from my family.

@Russell Brazil is full of knowledge in these areas!

Alongside my real estate ventures, I maintain my full-time job as a Senior Engineering Manager in Software Engineering.

Even longer answer: talk to an experienced accountant about potentially treating your lending as a business and structuring it along the lines of what you suggested.

Let's assume the seller shows you T12 numbers, but they knew they were selling so cut their insurance from full coverage to minimum coverage, they stopped doing any repair that could be deferred, they have an in-house handyman that does all turns, and didn't book any expense to those.  

First, I am planning to refinance the portfolio when the rates go down (whenever and if that occurs), so I'll probably not be realizing much of the principal reduction value as opposed to if I kept the loan for the full term.