I don't have any experience with this software as I don't have any property yet, but @Ben Lynch is a landlord and created https://rentmindme.com/ for landlords and rent collection.

-Ben, aspiring multifamily house hacker 

Ben Franklin said it best.

I just have 2 questions:1) How can he eventually retain the "15% withheld" funds from the escrow account?

Ben, I own a lending company that offers loans for investors.

Quote from @Ben Day: @Juan Lizarazo plenty of options around.

I'm a multi-family property investor and this would be my first foray into self-storage, but I would like to find out more about it and see some potential listings and their respective numbers.If I can he of any help or if we can partner, let me know.

-Ben 

Ben's reply has good info on the deductibility of having a mortgage on your primary residence, and how it's only really beneficial if the interest and along with your other itemized deductions is more than your standard deduction. 

@Jay Ben, the class rating system is generally subjective.For properties: things like age and amenities drive the rating.