Amazon has the 42-Count Arm & Hammer Sensitive Fresh Scent 5-IN-1 Power Paks for $10.49 - 25% off (check “Save an extra” box, eligible on first S&S order for this product) - 5% off with Subscribe & Save (can cancel anytime) = $7.34 with free shipping on $35+ or with Prime (extra 15% off for 5+ subscribe and save orders).