It is now important to have Cover-Letter because a great cover letter gives you the chance to highlight the positive attributes of the job title. It gives more detailed information about the provided resume, it is the best option to mention your salary expectations or answer any questions the interviewer might have. However, if your cover letter is not written well so it is better to not provide that while applying for the job. writer, it properly or get that from reliable Cover letter writing service, that will be easy for you and get more chances to get a job.