http://www.thefreeosk.com/find-a-freeosk/ -use the locator on that page to see if your Walmart is participating. If they are, visit the Freeosk Sample Booth at your store to get  Free DUDE Wipes, Air Wick Oil Warmer, and Don Francisco Coffee Pods Samples. Participating Sam’s Club locations will have Free Quaker Chewy Bar Samples.