Amazon takes an extra $1 to $3 off a selection of Oral-B Electric Toothbrush Replacement Brush Head Refill Packs when you clip the coupon on each item's product page, as listed below. Plus, get an additional 5% off and bag free shipping on select packs when you order via Subscribe & Save. Otherwise, Prime members receive free shipping. The deals, with prices after all applicable discounts and comparisons to what you could expect to pay in local stores: