You may have very good reasons for quitting your job, but it’s important to think through your decision carefully before you hand in a letter of resignation or even hint to your boss that you’re ready to move on. This is especially true if you haven’t lined up another position. It’s a big gamble to leave a job without a solid plan for the future. Once you’ve announced that you’re quitting, you may not be able to change your mind. Consider these seven questions you should ask yourself before you make a final decision.