Thumb Score: +24

Amazon [amazon.com] has 80-Count Mentos Pure Fresh Spearmint Sugar Free Gum With Xylitol Sweetener (Spearmint) 2 for $11.98 – (multibuy discount) – 5% when you check out via Subscribe & Save = $5.39.
Shipping is free with Prime or on $35+ orders.

Price
$8.59 lower (61% savings) than the typical price of $13.98
$6.59 lower (55% savings) than the previous price of $11.98