You may start a war with moles applying homemade methods - try to flood their tunnels with water, fill them with exhaust gases or send a cat to hunt them. If these methods do not work, it's time to move on to the electronic mole repellers, poisons and smoke bombs. These products can save you from these rodents - read more about how to choose the best mole killer in our review of the best mole repellents and poisons.