In a slow market the landlord might have the right to collect months of rent but the cost of successfully suing and collecting usually is not worth the effort.Other than some value in psychologically tying some limited number of tenants to the rental unit, what, if anything, is the value of a multi-year lease? 

I am a vanishing breed, as more and more people become psychologically dependent on animals to fulfill their emotional desires, more and more units are pet friendly.

To start with, it is rife with psychological misjudgments, not to mention that it absolves the investor of doing any real thinking about the nature of their thesis.

My psychology understands that we avoid risk because it is comfortable.

But, there may a psychological benefit to paying off the student loan debt. 

The psychological boost you get on completion of a Certificate may encourage you.  

Study psychology - your interpersonal skills are the thing that is going to close deals - AND NO, NOT BECAUSE YOU'RE CONNING A SELLER, BUT BECAUSE THEY TRUST YOU!

Well psychology aside,Let’s actually hear the numbers .

Account Closed,Everyone wants to be an investor, but you gotta remember-- step 1 is income/ability to invest.Is it worth it for a degree in STEM- absolutely... psychology/philosophy- probably not, unless it's your passion.You don't need a college degree, but you need a skill-- look at technical training programs (plumbing/HVAC/etc), or getting a license to do something (get your CDL and become a truck driver?) 

@Kuron McGraw as for why an owner would keep a vacant property, you're gonna wind up getting into a long discussion about human psychology, how bad we are at making rational and mathematical decisions, and our tendency towards hoarding.