Free Half-Pint Paint or Stain Sample at Lowe’s –  Register or log in to your MyLowe’s Rewards account online or in the app and click the ‘Offers’ section to find an offer for a free half-pint paint or stain sample. Good from August 16 – 18. Free Bag of Food Should Taste Good Tortilla Chips after Rebate – Purchase a bag of Food Should Taste Good Tortilla