If you help me I'll 'make it worth your while'. [=I'll make it worthwhile for you; I'll reward you for helping me]
Seeing my children's joy made building the tree house all 'worthwhile'.
The money is for a 'worthwhile' cause/charity.
(..) Great. You are responsible for whatever happens to this animal, doctor. I hope whatever you were really doing with my money was more worthwhile, Mr. Tesla. Alley! So the machine was working? I never checked the calibration, 'cause the hat never moved. These things never quite (..)2006 The Prestige