From left, Segway, Roborock, Dreame, Husqvarna, and Mammotion automowers lined up to do battle with my lawn. | Photo: Jennifer Pattison Tuohy / The Verge

Robot lawnmowers are finally good enough to take a lot of work out of maintaining a yard, but they’re still not set-it-and-forget-it machines. If you don’t want these autonomous cutting machines to tear up your lawn or go roaming in your neighbors’ yard, you’re still going to need to keep an eye on them. But with some oversight, they can take a big chore off your hands.

This summer I tested five bots on my flat, three-quarter-acre, coastal South Carolina property with sandy soil, centipede grass, and lots of trees. Things went much better than last year’s trials and tribulations, thanks to huge improvements in navigation and maneuverability. Basically, they stopped getting stuck. My lawn has never looked better, and my spouse — who had sworn off robot lawnmowers after a user-error injury — is now a convert. His riding lawnmower has been idle for over a month.

The consistency of robot mowers is impressive. Running daily and shaving just millimeters at a time, these mowers have created a noticeably lusher lawn. I walked out on it…

What’…