You can find inkjet cartridges almost anywhere, Staples, Best Buy, Wal-Mart and Office Depot carry them. If you would like to purchase them online then I would suggest Amazon.
Vendors like InkjetSuperstore.com offer compatible inkjet cartridges at a good price. Another is 4inkjets.com. These sites specialize in ink, but you can also find it at TigerDirect.com.
Inkjet Printer Cartridges - Good sites. Atlascopy.com. The site is not all that user friendly but the prices are low and they have the best inkjet FAQ in the business.
One can find Hewlett-Packard inkjet cartridges to purchase on the Hewlett-Packard website. One can also find a good selection of cartridges on the Office Depot and Staples websites.
One can find Lexmark 16 compatible ink cartridges at a good price from wholesale ink distributors such as 123 Inkjets and Inkjet Superstore. One can also find Lexmark 16 compatible ink cartridges at office supply stores, including Office Max and Staples.
There are many companies online which sell discount cartridges. 123inkjets.com/ is a company I used before. Amazon.com has good deals for inkjet cartridges also.
If you cannot find ink cartridges in your local stores, you can usually find them at online retailers. Inksupply.com is a good place to look for ink supplies and will likely have what you need.
Many of the major retailers have websites where you can order inkjet cartridges and have them mailed to the address of your choice. BestBuy.com, Staples.com, and OfficeDepot.com are three good choices.
I don't think tht inkjet cartridge refill kits work as well as brand new ones. I don't think there is as much ink in cartridges that are refilled. At least mine don't last as long.
A good place to purchase low cost HP business inkjet ink is Staples. Staples carries a wide variety inkjet cartridges and guarantees the lowest prices.
There are several places online that will allow you to buy ink for a little cheaper than your local discount store. Good online stores to start your price comparison are: 4inkjet, 123inkjet, Amazon, inkjetsuperstore, OfficeMax and ink cartridges. I have also purchased some cartridges on eBay as well from wholesalers or refilled cartridges.
Brother printer inkjet cartridges can be found at many retailers, both in store and online. Office Depot, Office Max, Staples, Wal-Mart, and Target are good places to buy printer ink.
Amazon has some good deals on Canon ink cartridges. It's definitely cheaper than the store. You should check Atlantic Inkjet. They have good deals on all kinds of ink cartridges, so I'm sure they'll have your Canon ink cartridges.