What I put below is not in any way prescriptive, but maybe it will help you think critically and creatively as you take steps towards being a real estate investor. - You're a young dude.

Btw, if you want to read about some GREAT ways to streamline health care and reduce costs, check out "The Innovator's Prescription," by Clayton Christensen, a Harvard professor and author of "The Innovator's Dilemma," (one of the most influential books in the technology world from the past 20 years).

I will request a doctor's note and/or prescription (and registration of ESA if available).

Run an application all looks fine show up to sign lease docs and they have 5 pit bulls that are all "companion animals" 5 prescriptions one for each dog by name and description.  

There is something called an "easement by prescription." 

Grocery stores can give everyone a break on groceries, banks can give us a break on our mortgages, drug companies can give people a break on their prescriptions... will it ever come to this?

Being young and barely going to the doctor i have accumulated a few thousand in an HSA that i use every once in a while to buy new prescription glasses or contacts.