capitalize on
US /ˈkæp.ɪ.təl.aɪz ɑːn/
UK /ˈkæp.ɪ.təl.aɪz ɑːn/

1.
to take advantage of a situation to gain an advantage for oneself
:
•
We should capitalize on this opportunity to expand our business.
•
The team failed to capitalize on their opponent's mistakes.