The type of ink you need depends on your make and model of your printer, so it is difficult to say particularly where you can find the cheapest ink. If you are looking locally, try a store such as Wal-Mart or an office supplies store. If you wish to purchase online, there are many options, such as 123inkjets.com and Amazon.com.
If you really want to know what is the cheapest ink cartridge for a brother printer because you need to buy a cheap replacement, then you should try HP ink.
Kodak
There are several websites that can help you determine which store has the cheapest ink cartridges using side-by-side comparison. Staples has a wide variety of ink cartridges at a comparable price.
If you have ran out of printer ink and are looking for the cheapest ink brands, a suggestion would be to look in a local computer repair shop and ask around.
The Epson 825/925 has the lowest cost replacement ink cartridge.
You can buy the cheapest ink for a HP printer at Staples or OfficeMax for about thirty dollars each depending on what kind of ink you need and if you have a reward card with any of those two stores you can get a couple cents off.
The companies that offer the cheapest ink cartridges are companies such as Wal-Mart, K-Mart, 3M, Scotch, Staples, Lowe's, Kohl's, The Home Depot, and many more.
The cheapest way to save on ink cartridges would be to take your already used cartridge and find a filling station at your local electronic store. For more help, your location would be needed.
The cheapest ink cartridges for printers will probably be found online at Walmart.com. They even have the option of buying their refill kit that works with most printers and saves both time and money with free shipping.
Because, interestingly, it is actual ink inside the screen.
All information about Compatible ink, checkout the best resources for That Now if you end up buying a brand new ink cartridge all the time, you are going to find the cheapest compatible ink cartridges.
You can find cheap computer ink all over the web. Two of the cheapest sites I have found are www.inksell.com with ink starting at $2.95 and www.inkgrabber.com with ink starting at just $2.00.