Bold Advice: Don't Send a Resume Cover Letter
I always include a cover letter when I send in a resume to apply for a new job. That's what you are supposed to do according to every "how to get a job" article I've read.
But here comes business writing teacher David Silverman with some contrary advice: For most jobs, "don't bother" with a cover letter. He says they only compete with (and often just repeat) what's in your resume, which is the real meal to be digested by the prospective employer.
That said, Silverman does agree cover letters are necessary when either you know the name of the hiring person, you know something about the job qualifications, or you've been referred by someone. (Uh, why would you apply for a job you don't know anything about? But I digress)
Look, I'm still going out on a limb and suggest you send a cover letter with any job application. But when you do so, follow David's guidelines laid out on Harvard Business Publishing in his post The Best Cover Letter I Ever Received. In essence he says keep it simple, and "help your cause by doing some of the resume analysis for your potential new boss."
He gives an example of his idea of the perfect cover letter. It's a scant 75 words long, which adds to its power and makes it stand out.
As someone who has hired a few people over the years, I find that many cover letters often do more harm than good. The biggest sins, in addition to typos: