Amazon offers the Altoids Arctic Mints 1.2-oz. Tin 8-Pack in Peppermint for $8.92. Check out via Subscribe & Save to cut it to $8.47 and bag free shipping. That's tied with last December's mention and the lowest total price we could find for this quantity by $11. Each tin contains 50 sugar-free mints.
Be sure to cancel your subscription after your order arrives to avoid being billed for subsequent shipments.