I agree that you should launch early. But you need to launch with a product that is different and better than your competition on day one. It doesn't have to in

I agree that you should launch early. But you need to launch with a product that is different and better than your competition on day one. It doesn't have to include all your features, but at least one or two that show how you're different and better. Otherwise users won't return to your site when you do launch those unique features.