Marketing of Affiliation is one of the best ways to make money from house and the affiliation programs provide to any person with access to Internet the opportunity to gain the life in Internet. The programs of affiliates are generally gratuitous or very economic to be united and easy to begin and generally the payment of commissions they are regular, more and more people are resorting to them like the best one half to initiate a business from house. Nevertheless, there are some errors of marketing of affiliates, that harmed their business enormously. To avoid these common errors realised by many participants of programs of affiliates, will have fast and easily to improve its possibilities of realising sales and of increasing its commissions like affiliate. Here they are five of the main errors in which the affiliates fall: 1) Not to investigate the site, service or product that are offered by means of the program of affiliates before beginning its promotion It is really incredible how many affiliates first that do are to register themselves, simply because has a rate of high commission or only because when promoting it will be able to gain some extra benefit. But, if the situated one, service or product do not have much to do with the general subject of its own Web site, it will be to him difficult to convince to his visitors and subscribers to buy the product. They would do why it if it does not have anything to do with the area which you direct his site? That is, it must look for to promote products or services that they have to do with its niche of market and not it first that goes to him ahead. 2) Not to use the file of companies correctly Many affiliates add to a file of companies to all salient messages of electronic mail and the forum messages, but they do not do it correctly.