Where you start depends on what you want, and how much risk you want to take to get it. The better you understand bitcoin the better your odds are of making money just like any business. But it is not simple or ease just like everything in the world that will make you money. Educate yourself and a good way to do that is to start mining so you have skin in the game. But don't be under the allusion it is get rich quick or a guarantee and you will do just fine.