Avoid operation of a private or commercial golf course, country club, massage parlor, hot tub facility, suntan facility, racetrack, gambling establishment, or a store whose principal business is the sale of alcohol for consumption off premises.The 4th requirement is of particular importance with regard to the real estate company in your hypothetical. 

I have little kids and she used to provide therapy for my daughter-this is so stressful.  

Open up a spreadsheet and start breaking down the costs and massaging the numbers with your estimates/budgets and note your assumptions until your as low as you can go.  

Service animal is for disability, therapy animal is for easing mental or emotional stress.

I chose to forgo my interests in real estate a couple of years ago and chose respiratory therapy and I am now burned out.

I'm a Doctor of Physical Therapy who realized that trading my time for money is never going to earn me freedom (and not even come close to paying off my student debt).I've recently opened my own Cryotherapy Clinic and it is my first true business asset.

Prepare her a light meal, and give her a massage while playing a podcast for her.                             

(I assure you there was no electroshock therapy involved. ^^)Simple practices such as visualization and meditation became a regular part of daily routines.Anyways, overcoming my fears and embracing a new mindset was key in helping me to begin networking with others here on BiggerPockets which has lead directly or indirectly to all of my real estate successes!

Wow, my subject line looks like I'm in a therapy group. lol.

What your tenant is speaking of falls within the following;Emotional support animals, comfort animals, and therapy dogs are not service animals under Title II and Title III of the ADA.