Low hanging fruit. It's easily picked, but at some point it disappears unless you're a giraffe and can reach the higher branches that others can't. But even then, that's low hanging to a giraffe.
What happens next? What happens when the more obvious gains we can make as coaches diminish as a player improves, what happens when the customer base dries up?
That's when the hunter gatherer really has to forage. Forage means to 'search widely' because the food isn't going to fall into your lap. It's when the real kazi (work in Swahili) begins.