A professional who will show up on time, will pay attention to your concerns and interact with you in a professional manner, will spend the necessary time to fully inspect your home and guide you in what is best for you and your property. After so, he will provide you with a written step-by-step work process with explanations of each service items recommended. Lastly a professional should be able answer any questions pertaining to the project, provide you with his license number, insurance information and follow up.