I didn't know what to expect but he showed up on time, promptly found the leak under the slab and was able to come first thing the next morning to fix it. He was able to fix the leaky pipe while cutting a minimal size hole in the floor and he charged exactly what he had estimated. He did a good job of cleaning up after himself too. I'm very happy with his work and while I hope to never have another leak under the slab, would absolutely make him my first call.