Does someone have any tips about how to make money on the Internet?
Start teaching on Italki!
It really depends what your skills are.You can teach, or you can sell things on Ebay.
Why do you want to make money on the internet? Maybe you can get another kind of job.First think about what kind of job you would like to have,not just about making money.That's my opinion.
1) Advertising ( From directly local firms or Adsense)
2) Shopping Site
I know these for now.