Golden Ticket Meaning

(idiomatic) A qualification, person or thing that can provide lucrative opportunities.

Example: 2006, Ange Picillo - How I Became the President of the Self-Centered Club for Men page 2.
  The shiny brass trumpet that Pop bought was his golden ticket out of Poorville and onto the streets of the three F's Fame, Fortune and Freedom.
1973, Harvard Alumni Association - Harvard Magazine page 67
  So the Harvard diploma is now, more than ever, a golden ticket to a certain kind of success.
A philosophy that a quick fix can be achieved.
  He believes in the golden ticket.