Amazon has the 2-Pack of Chuckit! Dog Toy Ultra Balls (Medium) for $5.07 - 35% off coupon (check "Save an extra" box, eligible on first S&S order for this product) - 5% off with Subscribe & Save (can cancel anytime) = $3.04 with free shipping on $35+ or with Prime (extra 10% off for 5+ subscribe and save orders).