For its newsletter subscribers only, newegg takes 30% off select inkjet printer cartridges via code "EMCNJHD82". Alternatively, get 30% off select laser toner cartridges via coupon code "EMCNJHD79". (A maximum discount of $80 applies to either coupon.) That puts many at or near lowest-we've-seen prices. Select items carry free shipping; otherwise, shipping starts at 99 cents. Coupon ends January 31.

Buying $75 or more worth of qualifying HP ink cartridges? Redeem this mail-in rebate to score a $15 Shell Gift Card. Alternatively, if you are buying two of the same qualifying HP LaserJet toner cartridges, you can redeem this mail-in rebate to receive a $30 gift card to a select retailer of your choice.