Many of my friends have me give their resumes and cover letters a once-over before they apply for any job. You'd be amazed at how many glaring typos I find on the documents. It goes without saying that you must proofread your materials before sending them off . Use spell checker to find any spelling mistakes, then print the documents and scan them slowly. If you go too quickly, your eyes will assume everything is error-free -- after all, you've been working on them for quite a while. Have a more seasoned proofreader look over your stuff if need be. You might be asking yourself, "Why should I worry so much about spelling and grammar? I'm not applying for a writing position here!" Even if the actual position requires little to no writing, employers use resumes and cover letters to pre-screen candidates. If they're rife with errors, employers will infer that the candidate is not detail-oriented and will produce sloppy work while on the job. Thus, it s...