If you're good at creative stuff / programming, create a profile on Upwork and take on some jobs.
If you're good at writing, offer to write articles for clients. You can advertise your services on Facebook Groups, especially those focused on entrepreneurship.
Sign up as an affiliate and promote the products on high traffic sites like Quora, BEAMSTART, and Reddit. Some affiliate programs pay up to 50% each month.
Learn to design and sell them as NFTs.
Do those online surveys (not a big fan of them but they do pay a couple of bucks).
There are many more ways, but here are some of them at the top of my head.