They are not jewelers. They send the items out to be repaired and then they charge an absurd charge to you. It is not sustainable and they will eventually have to close. Don't step in there because you'll feel bad for them and let them cheat you. Like I had a $45 chain repaired for $73 because I felt sorry for them that they would so something so devious. They must really be struggling.
Are you the owner of this business?