If you spend a lot of time on computers or if have your own business, you probably deal a lot with printers. When it comes to computer printers, the biggest annoyance for me is ink cartridges. They can be very expensive. Also, if your ink cartridge runs out of ink when you do not have a spare cartridge on hand, then you will find yourself without a functional printer in the middle of a printing job.
Inkshop.co.uk is one web store that offers discount prices on ink cartridges. If you do not live in the UK, you will probably need to find a web store in your own country. I recommend shopping online to save money. You can compare prices from different web stores and find the best deal.
Always keep at least one or two extra cartridges on hand so that you don’t get stuck with an inkless printer when you need to print something. Of course, I would also be uneasy about buying too many cartridges at once. They are expensive, and you wouldn’t want to find out you wasted your money on them if your printer breaks down before you use them. Also, remember to be careful when ordering from any online store. Make sure the store is legitimate, and make sure you get the right cartridges for your printer.