Had a couple of Amazon links on my youtube for over half a year but zero commission so far. Either I did something wrong or nobody buying. So today just got this idea about building a directory website with some Amazon Affliliate links. I want to do this right so that I won't be missing out on money even when user click and bought something. I heard that you should put in your user ID instead of the product ID in the link so that I get paid even when people buy some other type of products on Amazon. Can somebody tell me how to get started with an easy to user wordpress plugins that do this ? Or should I just do the old manual way ?