For some job interviews, you're just not on. You talk a little fast, shake with a soaked palm and come across as defensive when asked why you've been fired by your last three employers.

While those mistakes may cost you, there are certain behaviors, such as bribing the receptionist or saying you worked for the company in "Robocop," that will surely keep you unemployed. Consult this video, courtesy of SuperDeluxe, to find out what they are.