"Thanks for such a marvelous inspection".
"Thank you for your inspection. You really saved us from making a costly mistake. We'll call you for our future inspections".
"I'm impressed with your work and would gladly refer you".
"Thanks for the quick report, Jerry! I appreciate your professionalism".
Thank you, Jerry. We really appreciate your professionalism and the time you took to explain and review your findings with us. I will make sure to provide your name to any friends of mine who may require inspection services in the future.