Joining Amazon's Affiliate Associates is a quick and simple process. You just need to search Google for "join Amazon affiliate program" and you will arrive at the landing page which has a sign-up button.Click the button to access your Amazon Associates account. You'll want to list all the sites where you intend to advertise products before creating an account.Try to add at least one website or app in your portfolio. However, if you have a good variety of sites and apps you can up to 50. You will also be asked to confirm that your sites/apps aren't using techniques that are commonly used for marketing to children under 13.As someone just starting out, these are a lot of questions that you may not know the answer to. Or you might think your profile fits one niche but later learn it suits another.