Deals expire for many reasons, usually because the price increased or the product sold out. In some cases, the deal may still be available.
Brad's Deals Editor Marisa,
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This six-pack of Colgate Extra-Clean Full-Head Toothbrushes drops from $5.99 to $4.49 at Amazon. This is a small price drop, but it's the best deal we found based on any similar toothbrush pack. You'd normally only get a three-pack for this price. Shipping is free with Prime or when you spend $35. Otherwise, it adds $6.99.