or content creation are examples of accessible business models.
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Everything the OP said is just a theory that looks easy, but in reality not everyone succeeds in doing it.
I have been in the Online Business for more than ten years, almost all of my online businesses have been run, but not all of them have been successful.
Let's say like creating Facebook or Youtube content, I think my equipment is very adequate to just create short or long content. But there I failed to do it and maybe because I wasn't talented.
To be honest, I'm not the type of person who relies on $0 Capital in business, I prefer a business that spends capital first and then makes a profit in the end.
Basically, all businesses require perseverance, consistency and expertise. If all of that is not met, the $0 capital is just a fantasy.