Some ink cartridges may cost less expensive because they are poorly made. Yet, there are others that are cheap in price, but have good quality. This is possible if, for example, an online store selling good cartridges lowers their prices and at the same time makes money by selling more of the products.
To know if ink cartridges are of high quality, check if they are made by certified factories. These facilities generally follow the quality standards. Research online about the certified cartridge manufacturers to know which items you can trust.
When choosing ink cartridges, you should check their warranties. If a store knows their cartridges are good, they would not hesitate to provide warranties up to a year. Another thing to remember is to check the shipping charges when shopping online. You may find cheap ink cartridges, but compensates on the price by offering high shipping fees.