Washington Post: Americans waste $10 billion each year on name-brand ink. So we tested low-cost options including remanufactured cartridges, ink injection kits — and even making our own.
My advice: get a mono laser printer. Printing is handy but relatively infrequent for a lot of people these days. If that's your use case, mono laser is the way to go. Toner does not dry out or go bad.
It's been a while since I've used an e-reader, but don't they let you change the font size? It's kind of like zooming in, but actually readjusts the words to fit the screen. Again, I might be making this up.