There are many ways to do affiliate marketing. One way was the kind you learned, posting links and paying for ads. That can get super expensive if your links aren’t converting well! That’s why I recommend that you do “blogging”, e.g. writing articles as you mentioned. If you optimize your content based on search engine requirements (also known as SEO), you’ll rank on page 1 of Google. When someone searches a topic, your article turns up. They read the article, click a link, buy a product, and you make a sale.
Domain name trading has been around for the last couple decades, and while most slam-dunk names have long been sold off, there’s still plenty of others that you can get your hands on for relatively cheap and broker as a way to make money online. Before you dive in, however, beware that some experts doubt the long-term viability of this idea for making money online. However, there’s always the change you might just land on a lucrative domain name for a future billion-dollar company. To get you started, here are some tips from GoDaddy, arguably the world’s largest and most famous repository of domain names.
Affiliate marketing is commonly confused with referral marketing, as both forms of marketing use third parties to drive sales to the retailer. The two forms of marketing are differentiated, however, in how they drive sales, where affiliate marketing relies purely on financial motivations, while referral marketing relies more on trust and personal relationships.