There are an awful lot of people who make some money online and therefore say they have their own business. Unfortunately, the majority of those people do not have an actual business. Many will boast about how much money they made last month but ask them what their expenses were and they haven't a clue. Or they'll pop up on forums like this one and ask questions such as 'do I have to pay taxes on my online income?' If you have to ask whether you should pay taxes, you are NOT running a business. You're simply playing at it and getting lucky enough to make some money while you do it.