Or, as we discovered in Consumer Reports recent tests of chain saws, you can buy a $60 kit that's compatible with most major-brand chain saws and lets you sharpen the saw yourself in seconds.

A Dremel is a power rotary tool that every homeowner should have, thanks to its many different uses, including crafting, removing rusted screws, and, of course, sharpening chainsaw teeth.

There are plenty of pocket knife enthusiasts in the world, but not nearly as many knife sharpening enthusiasts. This means ...