Base from my recent post "Does bitcoin could be call a job?" I have read your opinions regarding to that. Doing these things is a form of earning money basically we have income. So does it need to be taxed? Because this is also a source of income, and we might call it as a job?
Depends on (a) your local government and (b) the amount and type of income.
In some countries, under certain circumstances, there's no tax on capital gains on Bitcoin. However if you accept bitcoins as a form of payment, depending on the amount, you very likely will have to file it as part of your tax report.