To get a free sample of homemade laundry detergent called Suds-N-Shine. This sample is good for approximately 1 or 2 loads. Just use the coupon code: sample. This freebie is only good for orders shipped within the United States. The freebie is found on the bottom of the page, just click on “Add To Cart.” When you’re down to the bottom, go to check out to receive the free sample. Once you fill in your information, an option will appear for the free shipping.