Passive Income
저자: Wiener Würstchen
1. Online
1.1. Affiliate Marketing
1.2. AdSense
2. Membership Website
3. Saving account
4. Resources
4.1. smartpassiveincome.com
5. Informational products
5.1. Ebooks
5.2. Audiobooks
6. Apps
7. Investments
7.1. Forex
7.2. Stocks
7.3. Funds
7.4. Real Estate