Ink cartridge refills! Have you tried it at Costco? Well, today I did just that. I was skeptical, but I was also tired of paying $35 for each HP ink cartridge that only lasts couple of months and I don't use the printer that often. Today I paid $10 to have my old one refilled. It took 15 minutes for them to do it while I did my usual shopping. Came home and used it to print a document and can't tell the difference between the original one and the refill. I highly recommend it. I will edit my review if the ink refill doesn't last as long as the original, but so far the experience and the quality is awesome.