Oh, interesting. Again, I've only shopped for them once, but they were actually really nice. I received an email pointing out that while I had entered the location during the specified time, I did not LEAVE within the correct time frame. They deducted a point (I'm assuming for that reason), and told me that they would submit the shop, but there was a possibility that the client wouldn't accept it. I don't think every company would have done that.
The client DID accept the shop, but from that experience, I learned that when some companies specify a time frame, to "get out of Dodge" before the witching hour! (The shop was completed during the time frame, but I had some time to kill before an appointment, so I hung out -- never again!)