The answer to that question is simple, but unpopular: ready access to capital (i.e., being rich). There's a reason why all the money in the world is held by less than 1% of the people, and this has nothing to do with the 1% being the smartest.
A very rich man was asked by a journalist how he made his first million.
The rich man answered that he started off with just a few pennies, put them in a pay phone and made a phone call: "Dad, can you please lend me a million dollars?"