TheFactoryDepot via Amazon offers Amazon Prime members the Brother TN360-Compatible Toner Cartridge for $13 with free shipping. (Non-members can spend $25 or more for free shipping; otherwise it adds $6.35.) That's a buck under our mention from a month ago and the lowest total price we've seen for this toner. (It's also a current price low by $8.) This cartridge is compatible with the Brother HL-2140, HL-2170W, and other Brother laser printers.

Amazon Prime membership is $79 per year; however, Prime is free for college students for six months, and free for parents and caregivers for three months.