On the other hand: the main reason of bankruptcy for small businesses is bad financial management. Simply said: to forget to make invoices, not checking the payments and not following bad payers. 1 out of 3 is going bankrupt for this reason alone. I had to learn it myself. I spend at least 10% of my time with financial stuff. I don’t love it but the bills get payed ;-)
Market your course: The beauty of using a course to make money online is that you can continue to sell it for as long as you’d like. Look for niche communities on Facebook, LinkedIn, or Reddit that might benefit from your content. Guest blogging on relevant sites. Look for anywhere you might be able to get in front of the right people. With just a few hours a month you can continue to generate sales.
At the time, I had a ton of people reaching out wanting to hire me (I ranked my self #1 in Google for WordPress SEO Consultant, WordPress SEO Expert, many other good keywords). Unfortunately I struggled with basic things you need to run a service-based business… keeping track of clients, time management, and making sure I was charging clients for my time (and getting them to create content which often seemed impossible).
Once you have the affiliate links you need, it is time to present them to your audience. As you start using affiliate marketing to talk about products, you need to be aware of how your audience perceives you. If your website appears to be only after their money through an overwhelming amount of affiliate links, then they are more likely to simply leave your site.