Working to earn money online, is not an easy task at first, since it requires a degree of effort, especially for one who is being launched in the topic, but everything in life is achieved as long as you want when we persevere in our purpose.

To begin, we must take certain precautions for not to be cheated by sites that offer people become millionaires overnight, that's impossible, do not trust them, however, take care if the sites have the warranty of taking the money back after 30 or 60 days if it does not meet the expectations required by the customer.

Another aspect to consider is to see if the job is the one that is offered and advertised on its pages, but one of the most important things is to look if they have serious companies to process payments, such as "PayPal" https://www.paypal.com, and also "Plimus" http://home.plimus.com.

There are business opportunities that are multilevel and there are others that sell items for others by collecting a percentage, that is to say, the person becomes an affiliate of that manufacturer; or simply being the owner of a product sells it on the Web.

To become a member, you must register in some websites which offer these products, for example, one of the most serious and required is "Clickbank", who represents 12,000 companies articles of various types, besides there is a second whose name is "PayDotCom, who represents over 6,000 companies, a third “LinkShare "representing hundreds of well known companies, we can mention a fourth" Commission Junction ", which represents nearly one million very popular companies. You can also register in them in case of being the owner of any product.

As a starting point it is necessary to make a market research to know what people are searching in the Web, i.e. how many times it is entered a keyword in the search engine Google; for example, entering "Internet money" shows a result of which was admitted to 1,590,000 times that phrase, to make more comprehensive analysis of the frequency with which the issue is being addressed, instruments such as "SEO Book", "Wordtracker", "Trellian" and "Overture" from Yahoo where you can finally decide the product (s) to promote the own page or blog, this product can not necessarily be of our authorship. As mentioned earlier, these can be searched in these companies like Clickbank, PayDotCom, etc..

As an affiliate you must have a web site where to place the respective advertisements of products; you can use a blog http://www.blogger.com, where the subscription is free and easy to build one if it is clear which is the subject is going to be and the products to promote,  just follow the tutorial to build it.