Thumb Score: +14

Amazon [amazon.com] has Philips Sonicare 1100 Rechargeable Electric Toothbrush (White Grey, HX3641/02) for $19.96 – $3.97 when you ‘clip’ the coupon on product page = $15.99.
Shipping is free with Prime or on $35+ orders.

Savings
Coupon price $15.99 (check and activate [amazon.com])