It was too 'costly' to fix her car after the accident, so she decided to buy a new car instead.
They won the game, but their best player was injured, so it was a 'costly' victory.
The decision to wait could be a 'costly' mistake.
(..) start all over again? No. I visited this horror upon my kingdom. I must be the one to finish her. Her? Was she so beautiful, Beowulf? Her beauty so costly? Beautiful, and full of fine promises. I was weak. I am sorry. So... So sorry. I have always loved you my queen. - And I you. (..)2007 Beowulf