If you want a successful ecommerce site then there is a formula you must apply. It is traffic x AOV (average order value) x conversion rate = Sales.
Traffic is the most powerful of the three items before the equals sign because the traffic influences both the AOV and the conversion rate. That means that just driving a lot of traffic will never be enough. You also need to be driving the right traffic.
Chloë Thomas, author of Ecommerce Marketing; How to drive traffic that buys to your website, has some advice for attracting the right sort of traffic.