Live in the woods and there are critters of all kinds everywhere and when the cold weather hits the house used to become the Mouse Marriott. Problem reduced 98% when I started using Insight. As for the spiders and other creepy crawlers - they are well under control. Tried at least 6 other pest control firms over 20 years or so and they the only ones who have gotten the job done. Very reasonably priced too. Superior customer skills by the reps. Highly recommend them - something I almost never do. TJ Olish West Bloomington.