Although it is necessary to invest is a very interesting option because your the best by a single click pay 0.50 euros and your earnings can be for example 20 euros, logically compensates. -Create your own blog: create a blog besides being free is very funny, to simply create you have to visit blogger.com and the steps that are indicated, the idea is to create content periodically and quality to promote your link from affiliate. -Social networks: Social networks are growing at an incredible pace most of the internet users has his own account on facebook, twiteer so that you have access to thousands of buyers waiting for you on social networks. -Videos: Youtube have millions and millions of visits the day, the largest page is worldwide videos, create videos is easy and fun, with just a video upload to youtube you can give you many sales and find people who are really interested in your product. If you do things well and are constantly working day to day programs of affiliate may be the perfect way to earn thousands of euros every month, but it already depends on each person’s desire that you have working, time spend in their learning and other important factors.