Take a quick look at what new coupons these online ink companies are offering, and find the best price on the replacement ink cartridges that you are looking for! *Note that most coupons are good on name brand compatible ink only, not inkjets directly from brands like Canon, Epson, HP, etc.

It's hard to say which online company consistantly has the best price on printer ink. In fact, that may depend on the ink brand that you are looking for, as well as the size of your ink or toner order. Many times free shipping offers or bulk discounts are only for orders over a certain dollar amount, so that can be a big factor in finding the lowest price.

In an effort to find out the best online discount ink company for my specific order, I'm going to try all of the ink companies above to see which one, with use of a coupon, is the best for me. In this case I'm going to get one color, and one b/w replacement inkjet cartridge for my Canon Pixma MP180 printer: (as of 2/20/10)

Price comparison of best discount inkjet sites online

123inkjets: Using 15% Off Coupon + free shipping on $55+ orders
One Remanufactured Canon PG-40 Black Ink Cartridge= $17.99
One Remanufactured Canon CL-41 Color Ink Cartridge= $23.99
Standard shipping = $4.95 (2-5 business days)
Order total: (w/ coupon) is $42.73

4inkjets - Using 10% off coupon + free shipping on $50+ orders
One Canon PG-40 Black Remanufactured Inkjet Cartridge=$16.99
One Canon CL-41 Color Remanufactured Inkjet Cartridge= $22.99
Standard Shipping: $4.95 (shipping takes 2-5 business days)
Order total= $40.93

Inkgrabber - Using 12% Off coupon (no free shipping)
Remanufactured Canon (PG-40) High-Yield Black Ink Cartridge =$17.99
One Remanufactured Canon (CL-41) High-Yield Color Ink Cartridge = $22.99
Standard Shipping: $4.95 (Free shipping offered on $50+ orders)
Order total= $41.01

Carrot Ink - Using 10% Off coupon (free shipping on $45+)
One Carrot Remanufactured Black Ink Cartridge - Replaces Canon PG-40 =$16.95
One Carrot Remanufactured Color Ink Cartridge - Replaces Canon CL-41 = $20.95
Standard Shipping: $4.95 (Free shipping offered on $45 + orders)
Order total= $39.06 *Great customer service

ClickInks.com - Use 10% Off coupon, Plus free shipping on all orders
One remanufactured Canon PG-40 Standard Capacity Black Ink Cartridge =$18.64
One remanufactured Canon CL-41 Standard Capacity Color Ink Cartridge = $26.90
FREE Standard Shipping: $0 (Free shipping offered on all orders)
Order total= $40.99

InkSmile - Using 5% Off coupon, Plus free shipping on all orders!
One Compatible Canon PG-40 Standard Capacity Black Ink Cartridge =$17.95
One Compatible Canon CL-41 (0617B002) Standard Capacity Color Ink Cartridge = $20.95
FREE Standard Shipping: $0 (Free shipping offered on all orders)
Order total= $36.96 - Cheapest price for ink online!

101inks - Using 10% Off coupon, plus free shipping on orders over $50
One Compatible Canon PG-40 Standard Capacity Black Ink Cartridge =$17.95
One Compatible Replacement for Canon PG-40 = $22.99 (out of stock)
Standard Shipping: $4.95
Order total= $41.83

What is the cheapest discount ink store online? As you can see, InkSmile was the surprisingly the cheapest place to buy ink online for my personal ink order, even though it offered the coupon for smallest actual % discount. (only 5% off) The free shipping deal on all ink in this case is what made it the cheapest place for ink orders under $50. As you can see, these discount ink stores are all selling compatible ink at a similar discount, but paying attention to the details of the coupons (specifically at what point free shipping kicks in) can make a difference of 10% of more on your ink order total.

These inkjet companies all compete heavily with each other, and there always seems to be some kind of promotion running for ink orders. The profit margin on name brand compatible ink is pretty high, so even with free shipping and up to 20% off, these companies can still make a nice profit. Use a coupon from any of the sites above & ensure you are getting discounts for the cheapest ink & toner online! (also see 4inkjets review) or, if you are looking to have someone else handle your printing, here is a list of the best discount printing services online