If your applying for a teen job and you don’t have a cover letter forget about your resume. We live in the information age, time is money and there is guaranteed to be many applicants that are more qualified and experienced than you. Potential employers don’t have the time or the desire to sift through needless amounts of information. The first impression you give may be the last if you don’t get the cover letter right. So what exactly is the deal with a cover letter and why are they so important? Teen jobs are not about your qualifications or experience.