Submit a poorly written cover letter and the chances are your resume will end up in the trash bin without even being looked at.On the other hand, a well written cover letter can almost guarantee you get an interview.Interview Winning Cover LettersOk, you may not win any awards for the cover letter that you enclose to your resume, but you may increase your odds it actually getting read, if you follow a few simple steps.1. Keep it brief. Your resume is the document that conveys your qualifications.