Affiliate marketing is one of the best ways to make money from home and affiliate programs provide anyone with access to the Internet the opportunity to earn a living on the Internet. Affiliate programs are usually free or very cheap to join and easy to begin and usually the payment of commissions they are regular, more and more people are turning to them as the best way to start a business from home. However, there are some affiliate marketing errors, which harm your business greatly. Avoid these common mistakes made by many participants of affiliate programs, it should quickly and easily improve your chances of making sales and increase your affiliate commissions. Here are five of the main errors that fall affiliates: 1) not to investigate the site, service or product offered by the affiliate program before you begin your promotion is really incredible how many affiliates first thing you do is register, simply because it has a Commission rate high or just because to promote it can earn any profit extra. But, if the site, service or product not has much to do with the overall theme of your own web site, you will find it difficult to convince your visitors and subscribers to buy the product. Why what they would do if it has nothing to do with the area to which you direct your site? Mean, you have to search for promoting products or services that relate to your niche market and not the first thing that will pass ahead. (2) Not to use the signature file correctly many affiliates add a signature file to all your outgoing emails and forum messages, but do not do so correctly. Twenty lines of text complete links of affiliates to a lot of different products, is not considered a good signature file! In fact, it can be very easily considered spam.