Thumb Score: +15

Amazon [amazon.com] has Onlyone Rechargeable Sonic Electric Toothbrush w/ 8 Brush Heads for $17.98 – $8.99 when you ‘clip’ the coupon on product page = $8.99.
Shipping is free with Prime or on $35+ orders.

Price
$18.77 lower (68% savings) than the list price of $27.76

Savings
Coupon price $8.99 (check and activate [amazon.com])