A black-only laser printer is a very good option if you don't use color a lot. Initially the cost is much higher, for example toner cartridges are about three times more expensive. But when you compare the number of pages you can get per cartridge, then the laser printer is not such a bad choice.
Original New OEM Toshiba T64P Premium Toner Cartridge (265 Gram) (Black)
Minolta/QMS 1710471-004 Toner Cartridges [Compatible] Cyan
HP C1823G Original Tri-colour Low Capacity Inkjet Cartridge