Cheap ink cartridges? 10% off code

I always get asked where is there is cheap place to buy ink. I tend to get mine refilled, but the last time I had a mess at Office Max.  So I may be ordering online the next time I need a another cartridge.

I found this one HERE and thought I would share it with you. I checked the prices for my ink cartridges and they were cheaper than buying them brand new at Office Max. Where have you found cheap places to buy ink?