make something worth somebody's while

make (something) worth (one's) while

To ensure that something is beneficial to one or not a waste of one's time. I was reluctant to do research at a different library, but the librarian totally made it worth my while by helping me find a ton of books on my topic! If you have to go, you might as well make the trip worth your while by spending a few extra days just relaxing.
See also: make, while, worth
Farlex Dictionary of Idioms.

make something ˌworth somebody’s ˈwhile

(informal) pay somebody well for doing something for you: If you can work on Saturdays and Sundays, we’ll make it worth your while.
See also: make, something, while, worth
Farlex Partner Idioms Dictionary
See also:
  • make (something) worth (one's) while
  • make it worth while
  • be worth (one's) while
  • be licking (one's) lips
  • be licking your lips
  • point at
  • a change is as good as a rest
  • be more trouble than it's worth
  • be in for a treat
  • be a double-edged weapon