7 Zero-Cost Passive Income Secrets That Could Make You Rich While You Sleep

4. Create and Sell Online Courses

If you have expertise in a particular area, creating and selling online courses can be a lucrative passive income stream.

How it works:

• Identify a skill or knowledge area you can teach
• Create course content (video lectures, worksheets, quizzes)
• Upload your course to platforms like Udemy or Teachable
• Market your course through social media and your network

Real-life example:
Mike, a graphic designer, created a course on logo design for beginners. After initial promotion, his course now generates $2,500 per month in passive income.

Tips for getting started:

• Research popular topics in your niche
• Break your course into easily digestible modules
• Include practical exercises and assignments
• Offer excellent support to boost positive reviews

Potential earnings: $500 – $10,000+ per month

Affiliate program to check out: Teachable (affiliate link)