You’ve undoubtedly heard or seen advertisements for businesses that promise to save you money on printer ink cartridges -- one problem, though, according to HP: Refilling doesn't work. Share on ...

I recently needed to replace the ink on my HP inkjet printer. Four little name-brand HP cartridges of yellow, blue, red and black cost me $123. Ounce for ounce, that’s more than the price of Dom ...