Nearly every artist, professional, and entrepreneur struggles at some point with whether to offer work for free. Law students often volunteer at legal services clinics. Sometimes they even pay tuition to do so. Authors and publishers offer some books free to obtain reviews and get the word out. Businesses send promotional items. (My favorite is a pen I received free with my law firm name on it and a flashlight at the end – not that I’m starting to find it hard to read menus in dim light or anyt...