One way of promoting your website and product can be achieved for FREE. As an additional bonus, this “free” method can boost your sites and sales, doubling and even tripling your income. Articles. One of the easiest ways to promote your website in order to generate traffic and increase your earnings. How does this work? Write articles relating to your website and submit them to “free content” submission sites. Easy to do, takes little time and can increase your website traffic, sales and of course, your income.