How do you legally start an online business or service?

I want to offer online classes in Religious Studies subjects after I graduate with my degree in Religious Studies. I would charge maybe $10 or $20 per person per class, and offer subjects such as: Introduction to World Religions, Learn to Read and Write Hebrew, Introduction to Judaism, Introduction to Ancient Religions, etc.

I myself took an online Taoism class like this, and really enjoyed it.

But how do you do this legally? Do you have to get a business license? How do you do taxes? What else do I need to know about starting an online business?

Thanks.





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