I'm not sure why they put full service cars thru e...

I'm not sure why they put full service cars thru every other car when people who aren't getting full service are waiting and could be put ahead but I'm sure they have their reasons and the service is as good or better than any other local full serve car wash and at the finishing end, their employees are a little more customer service attentive than the starting line
Maybe it's where the tips come into play?