The game is not worth the candle

It's not worth the hassle


Il gioco non vale la candela


Meanings
The gain is not worth the effort done

Examples
They offered me a promotion at work if I promise to get a degree, but I decided the game isn't worth the candle for such a small salary raise
Mi hanno offerto una promozione se prometto di prendermi una laurea, ma l'aumento di stipendio è talmente misero che il gioco non vale la candela

The lawyer told me that I could recover the money by legal means, but in fact the expenses would be so high that the game is not worth the candle
L'avvocato mi ha detto che potrei recuperare il credito adendo a vie legali, ma le spese a mio carico sarebbero tanto alte che il gioco non vale la candela

It's a very risky operation, but national security is at stake, so I think you'll agree with me that the game is worth the candle
È un'operazione rischiosa ma è in ballo la sicurezza nazionale, quindi concorderai con me che il gioco vale la candela

Origin
Before the invention of gas lighting, card players would have a servant hold a light where needed, and they would pay him for his services and for the candle