It’s been a few years, and you’ve been exceptionally diligent. Ever since you realized it was a possibility, that promotion has been your goal, and you’ve been gunning for it with everything you’ve got. But, wait. Before you keep charging blindly ahead, make sure your grand plans aren’t derailed by any of these easy-to-make mistakes. 1. Winning Over Your Boss But Not Your Co-workers: Your direct supervisor will have a big say in whether or not you get to move up, so it makes perfect sense to curry his or her favor. Read more.