Homemade laundry detergent is really all the rage right now on Pinterest and other DIY sites. If you don’t have time to make your own, head on over to Suds-N-Shine. You can request a free sample today. The sample is good for roughly 1 to 2 loads of laundry. Make sure to use the coupon code: sample. This freebie is good for any orders shipped within the United States. You’ll find the freebie at the bottom of the page. Simply click on the “Add To Cart” button. Once you fill out your information, an option will appear for free shipping.