There are loads of resources for making money online as an affiliate. You could source products from ClickBank, Commission Junction, Rakuten Marketing, Share-a-Sale, Impact Radius and many others. Plus, many of the larger companies have their own affiliate programs as well. Do your due diligence and find the right company with a relevant product or service to your audience that you can sell as an affiliate.
(c) any Product purchased by a customer who is referred to an Amazon Site through any advertisement that you purchased through participation in bidding or auctions on keywords, search terms, or other identifiers that include the word “amazon”, or “kindle”, or any other Amazon Mark (see a non-exhaustive list of our trademarks via the links below, or variations or misspellings of any of those words (e.g., “ammazon”, “amaozn”, and “kindel”)(all, a “Prohibited Paid Search Placement”),
One of the cool things about Google AdSense is that it's so easy to get set up. If you have a blog or website, you can sign up for a free Google AdSense Account. From there, Google will give you a unique code that you will paste onto your website. Google takes it from there, tracking your page views, traffic, and earnings on your behalf. There is no upkeep or maintenance to get this thing going, which makes it a no-brainer if you have a website already.