Professional certifications already exist in hundreds of professions from finance to medicine to supply chain management, among  others.  

voiced the idea that they could just shut off the flow of medicines like antibiotics to the USA and we'd be in deep trouble. 

Financially, each route is equally as terrifying, but I truly believe that, in time, RE investing would be much more satisfying, less worrisome, and less litigious than medicine (not implying in ANY way that there is no worry or litigation in RE...but that it is of a MUCH different caliber).  

I would like to rent to medical students (Baylor College of Medicine), doctors, hospital employees, and Rice University students and not anyone else. 

There is currently a children's hospital, a VA medical center, several medicine-related colleges, a research center, and will have a teaching hospital eventually.It's just South East of the Orlando International Airport.

Do they pay for food, medicine, travel to work, etc.?  

BS in ChemistryMDInternal Medicine ResidencyCardiology FellowshipAny financial/investment knowledge I have has been via individual study/self taught.

You bashed a lot of gurus on your site some that even don't belong on there and now you are getting a taste of your own medicine.

Now if it's down the street a UW will ask for a reason and the truth is the best medicine. 

Boston has a huge student population and a lot of jobs in education, medicine, finance, and high tech.I'd say it's pretty important to get a sense of the neighborhoods and towns around the Boston area.