How can an English lang. teacher make money on the internet?

I work at a school, but want to earn more money. Any ideas about what I can do on the net?





By the way, English is my second language, not native.
How can an English lang. teacher make money on the internet?
I know that some colleges offer jobs to be a part-time distance learning tutor to help students on the subject. Another idea is setting your online "travel for English language agency" - organise groups to identified schools.
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