The cartridges sold with such a printer are usually only 1/3rd full.
So not such a bargain as it might at first appear.
The printers are also usually slow, clunky GDI printers.
Recently I've been forced to accept a change from Xerox Postscript printers to another make at the place where I work. This is largely because of ideology. The replacement printers are the same physical size but they are slow, clunky and rattle through consumables at about 2x the rate of the printers they replaced.
At home I voted with my wallet and use only Xerox Phasers which are expensive to buy but have a much lower consumable cost than many others. I think Kyocera are cheaper for consumables but I have no experience of the brand. Ink jets seem largely pointless apart from photo quality printers and large format printing.