parlay (something) into (something else)
To use a particular quality, asset, or trait so well or strategically that it becomes something even more valuable. He was able to parlay the negative press against his competitor into a successful ad campaign that ended up giving him a huge boost in business. When I was an intern, I parlayed my tech skills into a part-time job overseeing the publishers' e-book production.
parlay something into something
Fig. to exploit an asset in such a way as to increase its value to some higher amount. She is trying to parlay her temporary job into a full-time position. Alice parlayed her inheritance into a small fortune by investing in the stock market.
To work with or manipulate some quality in order to make it something of value: She parlayed her ability to make people feel comfortable into a successful career as a therapist. The politician was able to parlay the people's complaints into a successful campaign strategy.