Education occurs most often in "real life" by becoming involved and learning the details as time progresses. Although there are several books on the topic, some so-called "how-to" or "silver bullet" books instruct readers to manipulate holes in the Google algorithm, which can quickly become out of date, or suggest strategies no longer endorsed or permitted by advertisers.
I know it’s part of Shareasale, but Wayfair might be worth mentioning. They’re a huge site (mainly home & garden and pets) and actually have a better selection than Amazon in a lot of categories. I used them successfully on an old home furnishings site I had since Amazon’s selection of products was lacking in this particular niche. 5% commission on everything with a 30-day cookie and easy to get approved from what I remember.
For the best results, you need to have your own website that contains the product or keyword you are promoting. For each product brought from your site you will earn a handsome commission. Additionally, very many people are registering with eBay. You will get around 25 to 35 bucks for every person who registers from your site. For advertising, you can use different tools such as creative tabs that have colorful graphics interactive ads that you can place on your website or blog you attract visitors to come to eBay pages.