CompAndSave offers the Brother LC-61 Compatible Ink Cartridge 10-Pack for $25. Coupon code "CRAZY61" cuts it to $9. Shipping adds $3.99. It includes four black, two cyan, two yellow, and two magenta cartridges. Deal ends December 16.
TigerDirect offers select Color Research Brother P-Touch Labeler Cartridge 2-Packs for $0 via a $20 mail-in rebate, as listed below. With around $4 for shipping, that's the lowest total price we could find for any of these replacement cartridges by $19. Rebates expire December 31. The deals, with prices after the rebates below: