With orders of $25 or more, Amazon offers Prime members the Crest Complete Whitening + Scope Outlast Mint 5.8-oz. Toothpaste for $2.99. Clip the $2 off coupon on the product page to cut the price to 99 cents. With free shipping, that's tied with our expired mention from three days ago and $2 less than what you'd pay at your local store. The toothpaste strengthens teeth against sugar-based cavities and removes surface stains.

Note: This item is part of Amazon's "Add-on Program"; it can only be purchased with an order of $25 or more.