>> Make sure you can buy cheap compatible cartridges This is not always an option. Some companies have DRM on their cartridges. My dad's Epson printer's DRM w

>> Make sure you can buy cheap compatible cartridges This is not always an option. Some companies have DRM on their cartridges. My dad's Epson printer's DRM wasn't strictly enforced until a recent firmware update rendered third party cartridges useless. I had to find a way to downgrade the firmware (which wasn't easy, because Epson took down all their old downloads) before compatible cartridges would be recognized again.