Is there a way to 'turn this situation to our advantage'? [=is there a way to exploit this situation?; is there a way to take advantage of this situation?]
The union should be 'at an advantage' [=should have an advantage] in the negotiations.
She used her position for personal 'advantage'. [=for personal gain; to help herself]
(..) Everything is accounted for, Fairy Godmother, except for one potion. What? Oh... I do believe we can make this work to our advantage. "Happily Ever After Potion. Maximum strength. "For you and your true love. "If one of you drinks this, you both will be fine. (..)2004 Shrek 2