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What are the strategies to make passive income?
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The strategies to make passive income include: 
1. Investing in stocks, bonds, and real estate.
2. Creating a digital product, such as an eBook or online course.
3. Becoming an affiliate marketer, promoting products or services in exchange for commissions.
4. Monetizing a blog or YouTube channel.
5. Renting out a room or property.
6. Starting a business that earns royalties.
7. Selling digital files on a print-on-demand platform.
8. Creating an app or software program that generates ongoing revenue.