Amazon offers the Trident Sugar-Free Gum 18-Piece 12-Pack in Spearmint for $6.40 with free shipping, via the directions below. That's a buck under our mention from last month and at least $2 less than you'd pay at a local retail store.

1. View the Trident Sugar-Free Gum 18-Piece 12-Pack for $7.53
2. clip the 10% off coupon on the product page
3. add it to your cart via Subscribe & Save for a final price of $6.40