The calculator estimates that operating expenses are equal to 50% of the monthly income.  50% is a rough guide. 

Mitch already touched on it but this is a good example of "correlation does not equal causation".

More storage equals happier tenants, and happier tenants equal bigger profits.

Now you schedule your purchasing closing assuming the balance on the mortgage is equal to or less then the as-is value. - NOW the seller has to be willing and able to move out before your closing date.  

You get a Capitalization Rate (CAP Rate), which equals your annualized return by dividing the Net Operating Income (you had gross in your narrative) by the purchase price.

$ 200k in financing that is paid off from my "W2" in equal monthly payments for the next 5 years.

We don't believe in VIP tracks and want everyone to come in feeling equal so your ticket is your all-access pass, the only exception being a la carte workshops on Sunday before the conference kicks off.

If they are VERY professional, they will have their processes in writing as verification that policies are enforced equally and fairly by their entire staff.6.

A quick search says they have 5 days to appeal and must post a bond equal to a months rent.

Chances are this is NO deal property as the X will want their fair share and a fair market appraisal will need to be done and the equity split equally.