I’ve never enjoyed cutting the grass. For years, I struggled with an old inherited gas mower that refused to die but often refused to start. Then I had a cheap electric mower with a cord that I had to keep shifting around. When I got the chance to try a robot mower, I jumped at it, picturing chilling on the deck with a cool drink, watching a robot mow my lawn. Sadly, the reality was somewhat different. Early robot mowers were incredibly bad. I'm talking churned grass, rescue messages blowing up my phone as one robot mower after another got stuck in a flowerbed, and large strips of long, untouched grass all around the edges. Sometimes they'd try to cut the grass in the rain and just get covered in the stuff. Sometimes they'd spend hours trying to line up with the charging dock and somehow keep missing. But the best robot lawn mowers are actually good now.…