Expert Answer: After a thorough inspection a professional Legacy technician will choose an effective treatment method. This will usually involve a combination of baiting and trapping, and while these methods are usually successful follow ups will generally be required. Pests such as rats usually enter a structure for one of two reasons, either a food source or for shelter. Part of the treatment plan will be to communicate to you any food sources such as bird or dog food that need to be removed and stored in a more secure area. We will also help you with exclusion methods to implement to keep rodents from returning.