7 tips for quitting a job right after you start

When you experience buyer's remorse on your way home from the shopping mall, it's easy enough to go back and return that expensive jacket you don't really need. But when you feel that same pang of regret on your first day at a new job, reversing the situation is a bit trickier.

According to Patrick King, a communications expert and business author, it's not uncommon to start a new job and immediately want to quit.

"There are three main reasons this happens," he says. "First, because the job was a 'fallback,' and the dream opportunity finally pulled through ... just a few days too late. Second, because of interpersonal, culture, or 'fit' issues. And third, because the job was misrepresented during the interview process."

If you find yourself in one of these situations and desperately want to quit, here's how to go about it: