All it takes is 10-20 years of saving 30+% of your income. Most people balk at that savings rate, but anything white collar pays enough to have that sort of savings if you are willing to life a more modest lifestyle than your socioeconomic peers.
10 years later the interest you earn on it will be more than the 30% you are putting in.
10 years later the interest you earn on it will be more than the 30% you are putting in.