Offer your thoughts or opinion on the input financial query or topic using your financial background.

Tax implications of having some self-employment income?
Havoc P's answer is good (+1). Also don't forget the other aspects of business income: state filing fees, county/city filing fees, business licenses, etc.  Are there any taxes you have to collect from your customers? If you expect to make more this year, then you should make estimated quarterly tax payments.  The first one for 2011 is due around the same time as your federal income tax filing.