Sign up for a new stamps.com account and get a free digital scale, $5 in free postage (additional $20 in free postage if you extend your trial) and a free supplies kit that includes labels. You do have to pay shipping on the scale, which varies based on your location.
Update: This has expired. Check out other scale options and recent great finds below
Free Homebrew Audio Books: Free 30 Day Trial of Audible + TWO FREE Titles – lots of homebrew & beer titles available
More: Recent Great Deals