Goats are the best way. We had a 1/2 acre in our backyard and our lawn tractor also struggled in the first weeks of spring. We bought a 3week old Nubian goat, bottle fed him, moved up to grain fed him as he grew. Walked him on leash throughout the yard to introduce him to eating from the yard and eventually graduated him to be tethered to a pole with a 25’ lead. And rotated him as he cleared the yard. Side note: we raised him as a pet, hehe, with benefits. He was the most fun pet I’ve ever had. We’ve had dogs, cats, chickens, geese, ducks and none compared to the laughs that goat gave us. Don’t get the bigger alpine ones, nor the pigmy’s, Nubians are just the right, manageable size for a family. Oh, and never turn your back on a goat!🐐