With CPA, which stands for "Cost Per Action," you are paid whenever your visitors complete specific tasks or offers. For example, there are many lucrative CPA opportunities that will pay you for signing prospects up to trials or subscriptions while other CPA offers will offer you a commission each time someone applies for a credit card or enrolls into their newsletter for additional information. It's a veryprofitable opportunity to get involved in, and if you are not interested in selling to people, there are many CPA programs that will pay you for simply encouraging your website visitors to fill in forms, complete surveys, exit polls and even accepting free samples as a way of reaching out to new business and potential customers. Get more info here.