Look at my new toy! It’s a tractor! It’s a sprinkler! It moves on it’s own accord — follows the hose — all the way around my house! I’d never seen one of these until I moved up here and I did really think they were just a goofy gimmick, but this spring my neighbor across the street had his turned on, and when I took the time to watch it, I saw that it seemed to be pretty efficient. It’s low to the ground, so you don’t lose as much water to evaporation as with the back-and-forth sprinkler —…