Although it is exciting to engage in online business such as affiliate marketing you have to make sure that when you are being sold an ebook or a program it must be legitimate. There are people who would take advantage of others. They pretend to have an instructional material that will help you learn to earn online. But at the end of the day contains nothing more than misleading words.
In this case you have to make sure that it is legitimate and one way of knowing is check them on better business bureau. If BBB provides you no information then check if the seller has followers that are legitimate and has credentials. This way you will ensure that you are not being scammed as many had been.