How could you service a washer/dryer in 9 minutes?...

How could you service a washer/dryer in 9 minutes? My wife has just paid $95 for a technician to attend to a leak and loud noises. The technician came, pressed a button or 2, told my wife to push the clothes all the way in to stop the leaking, collected $95 and left. How can you possibly charge anything for this, let alone $95?