Here's a freebie you can snare from WalMart right now: a free sample of Purex Ultra Packs laundry detergent.
Head over here to the WalMart sampling page to sign up.
WalMart's free sample offers have been incredibly reliable over the years. They typically arrive in two to four weeks and come with a coupon for the full-size product.
And oftentimes, the coupon is for a higher value than you'll see in the coupon inserts.