be worth its weight in gold

be worth its/your weight in gold

to be extremely useful or valuable A book that could tell me in simple language how to use this computer would be worth its weight in gold. Really good experienced singers are worth their weight in gold to the choir.

Common Names:

Name	Pronounced	Usage
Polycarp	PAHL-ee-kahrp (English)	Ancient Greek (Anglicized)
Tucker	TUK-ər	English (Modern)
Stigr	-	Ancient Scandinavian
Grant	GRANT	English, Scottish
Goizane	-	Basque
Corrina	kə-REEN-ə	English