Yes, you definitely want to have it because such a paper like a cover letter will play into your hands in job hunting. It is called to create a positive impression of you as a potential employee and motivate your potential employer to give you a job. No matter your professional occupation or the position of your dreams, a cover letter is the greatest investment of your time. The writing process takes time but this essay will increase your chances of a successful application. For instance, you can explain your gap in work experience or your unique achievements in detail.