By Aaron Crowe for AOL Find a Job

Getting hired is getting harder and harder as 9.8% of the country is unemployed, and being overqualified for a job is one reason too many people hear for why they're not being hired.

While dumbing down your résumé isn't ideal, it may be necessary if you're going for a job that doesn't require all of the expertise, training and education you have.

By Rachel Zupek, www.TheWorkBuzz.com, CareerBuilder's job seeker blog

Did you think I would say anything but "YES"? Of course mistakes on résumés and cover letters matter - isn't that what we've been telling you, and what you've heard for the past - forever?

If an employer is only looking over your résumé for about 30 seconds, you can bet that if what catches his eye in that time period is an error, your résumé is going in the trash. Same with your cover letter - why waste time reading something that you can barely understand?

Debbie Shalom, founder of Amazing Résumés and Coaching Services

Practice makes perfect

Winning resumes and victorious athletes share several features; they both rely on extensive preparation and hard work.

Selena Dehne, JIST Publishing

Most people, no matter what job they seek or how long they've been part of the working world, make the same mistake when it comes to the resume-writing process. They forget -- or simply don't know how -- to develop their resume from the employer's point of view.

By Anne Fisher

The secret, says a longtime recruiter, is knowing how to "reverse engineer" your resume. Also, if you're a new grad, must you include a so-so GPA?