UPDATE: This one seems to come and go, so if it says no longer available, you might want to check back.

Hurry on over to Walmart’s site, click on “Get a Free Sample” and get a coupon in the mail for FREE Nabisco Ritz Bacon Crackers (up to $2.50 in value).
*By mail. While supplies last. Limit (1) offer per household. Offer only available to consumers in the United States.