Cover Yourâ€¦ RESUME! The cover letter is extremely important when searching for a job. Many job seekers forget this important tool or consider it unnecessary. A well-written cover letter can seal the deal on getting an employers' attention. The cover letter is your opportunity to explain things such as gaps in employment, career transition, and additional qualifications. It should always be submitted along with your resume, even when it isnâ€™t required. Employers are always impressed by your extra effort.