1. Pick up freelance work online
2. Test websites and apps
3. Learn to use AI tools
4. Take surveys for money
5. Make money from your blog with affiliate links
6. Sell your wares on Etsy
7. Self-publish an e-book
8. Get advertising revenue from your blog or YouTube channel
9. Become an Instagram influencer
10. Monetize your Twitch channel
11. Sell your photography
12. Become a dog walker with Rover or Wag
13. Sell unused gift cards
14. List your spare bedroom on Airbnb
15. Sell your gently used clothes