If you're like a typical investor and can make your equity work at in excess of 20% then the 30-year will almost always be the superior choice.The Mortgage Professor has a calculator for this type of analysis here:Mortgage Professor SpreadsheetsHis homepage also links you to many other canned resources to narrow things down without having to spend a lot of time building your own models for your own scenario.

Not to mention EVERY FINANCE TEXTBOOK AND EVERY ECONOMIST ON THE PLANET says you're wrong.My recommendation would be for you to enroll in a community college finance course and let the professor explain it to you.  

can you make it to students or professors on an university or is it far away?

There is another reason why one would embrace this type of law, which is common in my market and that is,as Professor Michael Porter of Harvard University would say that the profitability in a market is determined by the barriers to entry.

Another idea would be to purchase a house near the University of Delaware and rent to college students or professors.

A professor referred to a post-hoc fallacy, and it is that A occurs; therefore, B occurs; therefore, A caused B.

She is a professor and I'm in healthcare. 

The following matrix from a Nobel Prize Stanford professor Dr William F.

While in school I am learning an immeasurable amount of techincal knowledge, gaining meangingful relationships with friends and professors.

Now we have murals on the side of my house and West Point professors buying the townhomes next to me for literally 50 times more than I paid for my property just a few years ago.