The New York Times' Gadgetwise blog called my attention to a great new tool for saving money on printing costs. It's a calculator from the American Consumer Institute, which helps you determine which printer will cost you the least over the course of its life—taking the price of toner into account.

Speaking of toner, before you buy it, check out the ink cartridge section of It always has a lot of good deals from online retailers. Right now, you can save $10 off any purchase of $40 or more at Carrot Ink by starting your shopping here. You can also get 12 percent off at Abacus with the coupon code ABCWINNER. And if you shop for toner (or anything else, for that matter) at Office Depot, check out this coupon for $30 off a $150 purchase.