Verify their content, syntax and spelling. Don't start or join join flame wars or advance opinions so controversials that may offend and alienate possible visitors to your website. Whatever you say, master the art of saying it in a respectful and constructive way. By doing these things you will become a welcome participant in any newsgroup you join, and your website will get a steady and growing flow of visitors. If you follow these recomendations your website traffic may start slow, at less than 10 visits per day, but will grow steadily to hundreds, perhaps thousands of visits every single day.
Lets talk now about advertisers.
Some advertisers offer you large commisions for each sale they make as a result of a visit generated thru a banner or pop up add in your website. They are not lying. They will pay you those commissions if the sale is made. However, most websurfers most of the time surf for enjoyment and not for shooping. When a visitor to your website see a banner or pop up add that caches his attencion and click on it, if he find the site interesting, the most likely thing he will do is bookmark it for latter reference.