I know nothing about real estate investing and YouTube has been my source as of right now.

If you can source the right sized sashes, then you could easily do it.

Some of my properties are solely owned by myself. 

Moisture is not good but if there’s no damage/corrosion of the live equipment then it’s not necessary yet and your better off dealing with the source of the moisture.

And, I would find another source to do business with in the future.Congrats on your acquisition...

Currently I was just crowd sourcing to see if there were any mortgage brokers in the Denver area that people actually liked?  

We are looking for some good advice on how to structure ourselves as we move towards our next steps in our portfolio, and transition our real estate investing from a side hustle to our main source of income.

NoYou took out that debt in only your name so you bear the sole responsibility. 

I wouldn't count on separating utilities as a sole strategy to cashflowfirst thing id do is insulate all of the heating pipes if they are not now.

Your lender is required to give you an estimated number.For the sole purpose of dissecting comparables, I mainly look for different factors such as square footage, number of beds/baths, location, distance from subject property, etc.