The website Vitacost is offering $10 to each new member that creates an account on their website when you sign up through THIS link. You will receive your $10 code by e-mail shortly after signing up. Shipping is normally $4.99 but if you purchase the 3-pk bundle of Jason Powersmile All Natural Whitening Toothpaste the shipping will be FREE. That means with your credit you can grab 3 tubes of toothpaste from Vitacost for FREE. Hurry before these run out.