The Five Categories of Passive Income
1. Property Income
• Rent
• Interest
• Profit
2. Royalties
• Writing a Book
• Making Music
• Voicing an Audiobook
• Inventing
• Taking Photos and Making Illustrations
• Making HTML-Templates
• App development
• Designing Clothes
• Online Lectures
3. Arbitrage
• Spatial Retail Arbitrage
• Temporal Retail Arbitrage
• Credit Arbitrage
4. The Internet
• Blogging
• Niche Websites
• Video Blogging (YouTube)
• Social Media
• Podcasting
• Affiliate Marketing
• Subscription Services
5. Digital Goods
• Creating a store
• Public domain goods
• Drop-shipping