Thumb Score: +16

Amazon [amazon.com] has 16.9-Oz ACT Kids Anticavity Fluoride Rinse (Pineapple Punch) for $3.94 – 40% when you ‘clip’ the coupon on product page – 5% when you check out via Subscribe & Save = $2.16.
Shipping is free with Prime or on $35+ orders.

Savings
Save an extra 40% on your first Subscribe and Save order. (check and activate [amazon.com])