Staples cuts $20 off the purchase of any two HP inkjet cartridge value packs via coupon code "11173". That cuts many of these pack to the lowest price we could find. Shipping is a hefty $9.95, but pad your order pre-coupon to over $50 to qualify for free shipping. Sales tax is added where applicable. Deal ends today.
A best bet are two HP 564 150-Sheet Photo Value Packs (pictured), model no. CG491AN, for $51.98 with free shipping after the coupon above. At $25.99 each, that's the lowest total price we could find by $3. Each pack includes one Cyan, one Magenta, one Yellow, and one photo Black ink cartridge, as well as 150 sheets of HP 4x6" Premium Photo Paper.