http://www.nikwax.com/en-us/webquiz/index.php -take the quiz. You have to get the questions correct, but you can take the quiz again until you do. You can get samples from them every 2 months, it’s been 3 months since this was last posted.
http://www.nikwax.com/en-gb/webquiz/index.php -you can also to the quiz on this page to get a free TX.Direct Wash-In sample
http://tastyworms.com/dried-black-soldier-fly-larvae-en.html add to cart and select free shipping
http://www.allure.com/partners/mary_kay/ -first 2,000. Put your town and zip code into the street address section.
http://viberly.com/ -this site is working with certain brands like Red Bull, Drop Box, Converse, and more to give you free Spotify, Netflix, and Audible subscriptions when you put a sticker on your laptop. You get an additional month subscription when you send in a photo proving that you still have the sticker on your laptop. They’re all full at the moment, but if you register they’ll contact you when new spots are available.