At ComboInk, buy one remanufactured PGI-250XL / CLI-251XL Canon-Compatible High-Yield Inkjet Cartridge with Chip 5-Pack for $23.75 and get two more for free via coupon code "DNBOGT250". (Add three 5-packs to your cart, then apply the coupon.) Shipping adds $3.99, or spend over $50 to qualify for free shipping. Each 5-pack features one each of pigment black, black, cyan, magenta, and yellow ink cartridges. A 1-year ComboInk warranty applies. Deal ends July 26.