Word-of-mouth leads in Minneapolis (update)

A friend who works at a local manufacturer says there are openings not advertised online. I have been trying to stay organised about it. They like a brief email with a résumé. Should I visit in person?

Keep everything in writing and save the confirmation numbers. It saved me later.

Thanks for writing this out. I went through something close to it last year, and it got easier once I kept a simple log of every call and form.