What we're trying to do is more like a business where our writers cater to the customers-not an open market kind of thing
Id say you have a market here, but Id also advice you to stay open for other forms of payment. While new coins or projects will need texts written I am not sure that the demand will be high enough. You can start with minimal investment by just opening a thread in the service section offering your (employees) skills.
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My limited knowledge of the BTC market
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Is only your knowledge of the market limited or also your experience with bitcoin as a form of payment?