There is only one factor by which to judge a car wash - did they get the car clean?
Sure, other factors do play a small role: such as how much it costs, how quickly it gets done, how close it is to where you are and how friendly the staff is. To be fair, the cost is a personal issue: for some $35 to wash your car is a ridiculous waste, while others may consider it a fair price.
Of course, no matter whether you decide a fair price for a car wash is $35 or $3.50, you know what to expect. And if you decide to spend $35 - well, you expect it to be clean.
So no matter what you think is a fair price for a car wash, I can assure you that Washworks is not the place you want to go.
P.S. the scam about the window chip repair that other reviewers mentioned is real. I saw one attractive young girl looking rather distraught as they called her over to explain it to her insurance company.