We may be living in a digital world, but a printer is still a must-have for scanning documents and keeping sensitive records in a folder instead of the cloud. Consider it a basic essential every home office or business needs, but if you don’t shop correctly, your printer will rack up massive costs over time — depending on how often you use it.  Apart from the cost of the machine itself, you need to look at the cost of paper, ink and maintenance, all of which can make the printer quite an expensive necessity. That’s where a refillable tank printer can move the needle in your favor.  Unlike a traditional cartridge-based option, a refillable printer uses bottled ink that’s then fed into built-in reservoirs. This helps cut down on those pesky cartridge replacement costs and lowers your cost per page overall. And if you’re in the market for one, HP refillable printers remain some of the best. While these printers cost more upfront, they’re a fine choice for those of you who print regularly.…