They have a free version that can be extremely useful compared to Excel. 

You're like the landlord version of a rockstar with a multi-city tour. 😄 Seriously though, it's awesome that you're still hungry to learn more. 

I disagree with your version of events but your feedback and experience with us is relevant.This was beyond our 30 day full guarantee and satisfaction policy when we were informed by you of your demand for something outside the contract well after that period.

I use a version of the 50% rule as a quick but reliable measure of expenses on a single-family: you can reasonably expect all monthly expenses not related to the  principal+interest of the loan on a property OVER THE LONG HAUL to be 50% of monthly gross income.I also think she's just calculating that PITI expenses are pushing her down to - $120 a month.

That's the short version. 

I disagree with your version of events but your feedback and experience with us is relevant.This was beyond our 30 day full guarantee and satisfaction policy when we were informed by you of your demand for something outside the contract well after that period.

If you're up for it, testing a small version of your idea could give you a taste of its popularity before diving deep into the numbers.

Maybe post a cliff notes version to make it easier for people to help you.

I disagree with your version of events but your feedback and experience with us is relevant.This was beyond our 30 day full guarantee and satisfaction policy when we were informed by you of your demand for something outside the contract well after that period.

TO answer your question, yes I have the paid version of AirDNA.