Prime members only. Amazon has the 4-Pack of Toner Kingdom Remanufactured Replacement HP 910XL Ink Cartridges (Cyan, Magenta, Yellow, Black) for $56.99 - 10% off with Subscribe & Save (can cancel anytime) - $15 off coupon (clip coupon) - $28.50 off with coupon code Z6VJYLWF [Exp 11/10] = $7.79 with free shipping on $35+ or with Prime.