Invest in dividend-paying stocks
Buy and hold rental properties
Use real estate investment trusts
Invest in bonds or bond funds
Create and sell digital products
Write and publish an ebook
Build an online course
Start a blog with affiliate marketing
Create a YouTube channel with ad revenue
License photos, music, or artwork
Develop a mobile app or software tool
Earn royalties from creative work
Open a high-yield savings account
Use peer-to-peer lending platforms
Build an automated dropshipping store
Rent out unused space or equipment
Create a membership site
Sell print-on-demand products
Build a niche website
Invest in index funds
Purchase an existing cash-flowing business
Franchising with management in place
Automate a vending machine business
Sell stock photos online
Create and license templates or presets