Everything in creation is under G-d's complete control. In order to understand this we need to discuss the nature of existence and how G-d creates something from nothing.
G-d alone creates something from nothing. We will gain no benefit from trying to manipulate the ‘somethings’ of the world. God determines how and where all the ‘somethings’ go at each moment.
We discuss the Rebbe's metaphor of "sewing wallets" in order to have more money.