Whether it’s an important consumer application, a specialist app to solve a particular niche problem, or even a time-wasting game you can play on your phone, you can create a massively successful business if you build software that helps people. (Look at the rise of Slack—the team communication software that went from side project to billion-dollar company in just 2 years.)
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.
Disclosure: Please note that some of the links below are affiliate links and at no additional cost to you, I may earn a commission. When you purchase a product using my one of my affiliate links, the company compensates me, which helps me run this blog and keep things like my 25,000 word ultimate guide to starting a blog free of charge to you. Know that I also only recommend products I personally stand behind.