Midas touch
US /ˈmaɪdəs tʌtʃ/
UK /ˈmaɪdəs tʌtʃ/

1.
an ability to make money or be successful in everything one undertakes
:
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Everything he invests in turns to gold; he truly has the Midas touch.
•
With her Midas touch, she turned the failing company into a huge success.