If a long career is what you want, get good at things that will build a long career. A couple tried and true tactics that go back many years: great music and putting on a great show.
If a flash in the pan is what you want, be meticulous about the latest avenues that promote quick hits, fast assents and great short term money .
If a famous and long career is what you want, the most important thing to add to great music and a great show is an uncanny ability to hire the right people at the right time.
The tools for any of these paths are quite literally at your fingertips.