String trimmers are popular tools for lawn maintenance. They're great for trimming grass around trees, fences and posts. Mowers can’t reach those missed corners, and a string trimmer can even edge ...

When I bought a home 25 years ago, for the first time, I needed to mow my own yard—an 80-square-foot, postage-stamp-size area. I got a hand-me-down corded string trimmer and started hacking away with ...