After you balance your soil, stick to plants adapted to the soil and your climate. And plant them in the right place. When it's time to turn the soil, don't reach for a shovel or hoe. Oh, sure, you can rent a roto-tiller, but it's like being dragged behind a runaway horse. The Lazy Gardener has a better idea.
Many neurotic dogs dig incessantly.
Every neighborhood is bound to have one or two. Find this dog. Make it your friend. Bury a few bones in your plant bed and borrow the pooch for an afternoon. Your hammock is the preferred supervisory location.