Just in time for tax day, when freelancers are most keenly reminded of the peculiarities of the way their work, Catherine Price has a piece in Salon on "What every freelancer should know." Her advice ranges from the purely practical (#1: Get a tax advisor) to the funny-because-it's-true (#5: Do not wear pajamas after noon). If you've taken a look at the full list, which also includes some sound financial advice, maybe you're ready to share your own tips in our comments. What do you think every freelancer should know?