Jobs to Thrill Your Inner Child: Ghostbuster / Paranormal Investigator

Forty-two percent of all Americans believe in ghosts, according to a 2013 Harris Poll. With such a significant portion of the population having a vested interest in paranormal phenomena, there are plenty of opportunities for someone interested in pursuing a career in the world of the undead. (Just ask Google.) But aside from the obvious requirement of chasing demonic spirits around New York City in a cool car with Bill Murray and Dan Aykroyd, what exactly does a job as a ghostbuster entail, and how does one go about getting one?