If you have the space and print a lot of black and white, buy an eight year old used HP LaserJet with an Ethernet interface.
It also used to be that laser was incredibly expensive in comparison, now they're about the same price if you compare color inkjet to black and white laser.
I bought a Brother black and white laser MFC 7 years ago. I've changed the toner three times and it is just ready to print when I am. I've never had it not print, my old inkjet required a prayer before every print job.
No nozzle jams, no problems with a color being used up, preventing a b+w print. It just works. I paid maybe $180 for the printer 7 years ago and I'm not going to replace this printer until it fully dies. It has fax and multi page scanning capabilities- the only thing that sucks is that it isn't networked by default and the Linux drivers are touchy.
I plugged it in to my TP-Link Archer C7 and their printer sharing drivers work fantastic on OS X. I will never buy another inkjet printer again.
I also switched to a Brother B/W laser printer last year (HL-L2380DW) and it works over my network, I can print to it from a phone/tablet/desktop (win/OSX/linux/iOS/android), and on each platform it "just works", printer/scanner/copier.
We have printed hundreds of pages thus far and have yet to replace the cartridge that came with it when we bought it. No streaking, no alignment issues, no clogging, and it even has double-sided print support. ~$200 investment, and have never had a better printing experience.
EDIT: I should highlight that the reason i ended up with 3 HP printers was because the average lifespan of each came out to ~1.5 years. Inherited 2 used, bought the last one new, and when that one also died so quickly is when we made the switch to laserjet.
Print quality was fair, but cartridges went dry super fast. Frequently replaced cartridges for drying vs usage. Software was also sub-par. Network printing wasn't exactly reliable, as the printer would go unreachable.
Switched to a Canon MX512 and it was a much better experience on all points above. I'm sure there are better units to be had, but for light duty printing and scanning, it gets the job done.
Modern gel inks don't dry out in my experience, and make for very efficient printers that are much less maintenance intensive than lasers. And ink is cheaper than toner unless you print several hundreds of pages a month.
Seems that your savings would just continue to increase the more you print. Or is there something else that affects the inkjet price per page at higher volumes?
It works great.
I picked up a Brother laser a few months ago and I don't ever have to be annoyed by that crap again.