If you sign up to be a Petco Pals Reward Member you can get a free can of Purina Pro Plan Dog Food. You need the coupon and your rewards card to redeem it. Click here for the coupon.
Even if you don't have a dog, you could donate it to a shelter.
For humans, take your kids' report card to a participating Pizza Hut if they've gotten three or more A's. They'll get a free personal pan pizza and a drink, dine in only (Elementary and Middle School only).
You can also get a free Carton of Egg Beaters At Kroger if you have a Kroger Plus Card. The coupon you download to your card is on Kroger's Website. (Friday January 25th Only, Coupon Expires February 9th, 2013)
If the Biggest Loser has inspired you to get some exercise you can download free Biggest Loser Workout Music from workoutmusic.com. Use the coupon code FreeBL4. The download is normally $11.
The next free Build and Grow Workshop at Lowe's is February 9th. Kids learn to build a Wooden Wheel of Love, just in time for Valentine's Day.