Concentrate all your energy, every molecule of it, on creating a great product, basically whatever your selling. And if you've got it right, you'll always start to see success gravitate around you all on its own, and the good kind too, the kind that lasts longer and grows larger with time. Many startups fail because they thought location, marketing or a pretty façade would be the key to their success. They were wrong. If your selling pizzas make it the best damn pizza anyones every had, even if your selling it out of an underground metro station e.g. Jiro dreams of sushi