"Freelancing is not a business." ~Paul Burton
Get your self-employed career started in the right direction with this 30 page white paper.
This document, and the original talk that spawned it, is not an attempt to answer every question about business that a self-employed professional will face in the creative industry; rather, it merely aims to focus on a handful of issues that frequently come up in conversation as well as issues that appear over and over in forums, comments, and on Twitter.