This deal has ended.
Get 2 packs of Crest 3D White Whitestrips, Advanced Vivid that drop from $42.99 to $32.99 each to bring your subtotal to $65.98 and then use this $15 mail-in rebate to drop the net price down to $50.98 at Drugstore.com. That breaks down to $25.49 per case and the makes it the best price we could find for 2 packs by $8 (Amazon, only has 2 left in stock at the next lowest price before the price jumps to $34.79 per pack elsewhere). You'll get 28, enamel-safe teeth whitening treatments and the shipping is free. Sales tax is charged in most states.