I've been there before to get a tire rotation, alignment, and oil change...a day or so later I noticed something was off with the feel of my ride. I brought it over to a friend who is somewhat car savy, and he informed me that the tires looked as though they hadn't been rotated, and when he checked the oil, it was ridiculously watered down.
To say the least, I wish I would have seen this thread before your poor wife made the trip. I'm surprised they aren't out of business yet.
I had taken my wife's Sienna to them to change the timing belt at ~100K like it supposed to. When we brought it in the rep indicated their computers were "down" and he couldn't give me a price.
Several hours later he calls to say it's something on the order of $1,500 which I found very high. I had told them to change the water pump and the radiator hoses while they were there and to change the spark plugs as it was time. I know labor up here is pricey, but I thought the price was high. They charged full price on the radiator hoses even though they had to remove them to change the water pump.
As they had the vehicle I begrudgingly consented as I had no way of retrieving the vehicle at the time and the work needed to be done. When I picked the vehicle up it ran much better and I could see the new parts so there was no question that the work was done.
But I was already leery and had decided I wasn't going to blindly give them any more work other than oil changes and inspections.
Until this episode.
In the future, I'll find someone else to do my work. I'm going to try Curry's here in Reston as they are close and I have had several recommendations for them. Not cheap, but honest. That's as much as I can hope for.