make it worth while
make (something) worth (one's) while
To ensure that something is beneficial to someone or not a waste of their time. I was reluctant to do research at a different library, but it turned out to be totally worth my while, as they had a ton of books on my topic! Staying up late tonight won't be worth my while because then I'll be exhausted the whole rest of the week.
make it worth someone's while
Euph. to tip or offer special (usually extra) payment to someone. I made it worth the waiter's while to give us good service. If you'll throw a few contracts my way, I'll make it worth your while.