Of note, new customers can use code "48F81B44" get another $5 off. Spending more than $50? The same code yields $10 off. Additionally, if you order more than $50 in P&G items (including the Whitestrips), this $15 rebate can yield a net price of $7.99 (when combined with the new customer coupon) for the Whitestrips alone. It can't be stacked with the $10 rebate above.