Translation:  So glad you didn't inconvenience me any further than you already have, jerk. 

Translation, she normally charges a fee from the owner, plus maintenance fees, plus she also charges non-refundable fees to the tenant.Does that sound ethical to you? 

However, you can request to see proof of current vaccinations, alteration certificates, training certification as well as a third party letter from a licensed professional stating need for the animal and why.

@Daniel Lehman, now that there's more information on the table, I think some people might alter their advice a bit.

This translates to a savings of around $7k for me on a typical deal. 

My lease states (removed the parts not at all applicable):Deductions:(a) damages to the Property, excluding normal wear and tear, and all reasonable costs associated to repair the Property;(b) costs for which Tenant is responsible to clean, deodorize, exterminate, and maintain the Property;(f) unpaid pet charges;(q) cost to restore walls, flooring, landscaping or any alteration to the Property not approved in writing by Landlord; and(r) damages to the Property caused by smoking, including but not limited to stains, burns, odors, and removal of debris.Here's a photo of one of the door frames, for example.

This will either translate to more work for you or more money paid to a PM.

Before you start moving walls and altering the ceiling check to see if it was built to current fire codes (doubtful).  

My current employer purchases narrow body aircraft and leases them to airlines throughout the world so many of the economic principles (prudent asset/liability management, active asset management and conservative cash flow management) and analytical metrics (margin/spread analysis, IRR, ROA, etc) translate well to the real estate industry.I’ve been reading books/blogs and listening to podcasts and 2 things have become evident to me: 1 – the more I learn the more I see how little I know and,2 – there is a myriad of ways to find, finance and exit a property.

The city then has to make the zoning alterations to get zoning in line with the plan and I'd guess that may take 1-2 years.