For a limited time, VistaPrint has a selection of Holiday items for $0. Get a coffee mug (pictured), regularly $9.99, or 100 glossy finish Holiday postcards, regularly $24.99, for free. You can also get a calendar, return labels, a flip book or photo cards, all for free. You can choose from one of their over 3,000 designs or upload your own to make it more personal (uploading may cost extra on select items). Shipping starts at $6.15 or is free over $50.