I called the day before needing my locks changed for the main entrance of my duplex. Mike squeezed me into his schedule, was on time, and changed my locks in a quick manner. After his job was done, he drove off. I then went to my upper unit (didn't need Mike to change this lock), but my key wasn't working. I called Mike. He turned around right away, was able to get me access to the upper unit, and then fitted new keys for the upper lock. The cost to come back and fit new keys? No charge. Great service and I would use them again.