It's a problem not uncommon for many new printer owners — their printer needs a cartridge refill, and now they're at the store, unsure of whether to buy ink or toner or if there's even a difference ...

We all know the pain of buying ink cartridges. They are expensive – ridiculously expensive – $16 to $227, depending on the brand. In some cases, replacement cartridges seem as pricey as the actual ...