Remember, the 'customer' is always right. [=never argue with a customer]
He is one tough/tricky 'customer'. [=he is a tough/tricky person]
The company has good/poor 'customer' service.
(..) Uh... I noticed that you don't have an ATM. Oh, them things. Russ don't want to put one in on account of you lose personal contact with the customers. Yes, that would be tragic. Wade said you and Jake had quite the reunion. But that's just pillow talk talkin'. (..)2002 Sweet Home Alabama