I always respond to what a tenant DOES, not what they say they will do.I would offer her your deal of 1.5mo for 3mo in writing, and inform her that this offer will expire in 7 days. 

Either more windows, a bigger window, or different material/color on the inset?

Now that we're looking at colleges, I wish to showed more interest in the investing side.

This is my first post.

This is Todd from (put the place/lead source).

I heard there are companies in Canada that does the same thing like rentprep and zillow. 

Madison, Provident, FCI are some of the more notable and reputable vendors.

There is something in the law that says reasonable accomodations cannot place a finanacial burden on the property owner or something similar - search it up to see the exact wording.So, unless your municipality has a statute that places more responsibility on you (based on where you are, that would not surprise me one bit), I think it's on them. 

This book has great information on how to evaluate deals and will tell you about the metrics you are asking.

This also leads owners to ASSUME simpler is better when it comes to management contracts.