Moles. They are doing damage to lawns all over town. We tried just about every gadget and gimmick out there to find out what works best to eliminate these pests from you lawns. One family of moles can quickly tear up your entire lawn, also doing damage to the roots of plants and trees. Professional trappers charge, on average, $50 per mole, so learning to handle this yourself can save you big bucks and huge headaches.