Realizing it all depends on you is the easy part, actually being able get past it is hard. Luck plays a large portion on whether you become rich or not. For example it'll be easier to become an entrepreneur in America than in many 3rd world country. The community you are born into for example also depend on luck, since it provide you your initial network.

Then we come to the personal part, like do you got the disposition to be interested in something that would become profitable later, hence becoming on of the pioneers.