I, too, have always looked at ClickBank as a secondary and even tertiary monetization source. But it can be a great sources of revenue. I linked one of my articles to a related product on CB, and without really doing promotion or anything unusual, I get a few sales a week. Mind you, the keyword(s) for the post aren’t that huge either. So, even though the traffic not huge on that post, it still manages to get some sales.
Drive for Uber or Lyft: If you're in a locale where you can find Uber or Lyft (or even one of the many competitors around the world such as China's Didi), you could easily make a respectable income. The hours are flexible and you can work as you see fit, making it perfect even if you currently have full-time employment but are looking to make some money on the side.
There are a variety of tasks that you may be asked to perform. This can include delivering documents, delivering food or restaurant meals, taking pictures of a building for a real estate developer, taking pictures of a menu in an upscale restaurant, or even delivering auto-parts. If you have a good working car (or even a good bicycle), time on your hands, and a lot of energy, this can be a real opportunity to make money online.
Become a freelance writer or editor. If you have a passion for storytelling or a background in writing or editing, it’s possible to find freelance writing or editing work online. To search available job openings, check out sites like UpWork.com and Problogger.net. You can also check traditional job sites such as Indeed.com and enter “telecommute” or “anywhere” in the location field.
If you’re looking for inspiration, my friend Michelle Schroeder-Gardner of the website Making Sense of Sense has become the expert on all things affiliate marketing. Michelle earns more than $100,000 per month from her blog and the bulk of her income comes from affiliate sales. Michelle has had so much success with affiliate marketing that she even has her own course called Making Sense of Affiliate Marketing.