squirrels

I always have issues with squirrels digging up the soil and lifting up rocks and moss mats and tossing them aside (as if they hate me) but I refuse to kill them. Before I spend money on something I’d like some suggestions. Thanks

I know this is a common issue, but I caught it too late and they have done massive damage to the base of my tree. I know it is squirrels because I caught one of them today chewing on it. I am so irritated. I’ve got some other trees that I dig up and am training, but I spent money on this elm and...