For 30+ years I have had a small flock of grass maggots. I started out with two. Their job was to eat down the spring grasses so I wouldn't have to worry about grass fires on our property. I named them........ Briggs and Stratton. At the end of grass eatin' season, they wound up in the freezer. You can't make that kind of claim with a weed eater!
Now, my wife and I have about 6 acres in pasture grass around our house and out buildings, and our small flock (and two guard llamas) keep the grasses down. I am responsible for keeping them fed, healthy, and sheared. Susan takes the sheared wool, hand processes it, and either knits or weaves things with the wool.
We have two neighbors who have to get out the weed wacker each spring, and spend 3-4 hours a day for almost a week, sucking exhaust and wackin' weeds. All I do is open/close pasture gates every 3-4 days, keep their water troughs full, give them shots when they get sheared.
If you have any questions about raising a small flock, don't hesitate to send me an email, or whatever. I would be happy to help out with ideas, suggestions, or whatever.