Thumb Score: +29

Amazon [amazon.com] has Onlyone Rechargeable Sonic Electric Toothbrush w/ 8 Brush Heads for $15.50 – $6.51 when you ‘clip’ the coupon on product page = $8.99.
Shipping is free with Prime or on $35+ orders.

Savings
Apply $6.51 coupon (check and activate [amazon.com])