An article from www.howstuffworks.com Being your own boss, setting your own hours, enjoying the full fruits of your labor without interference from meddling middle managers and corporate overlords — that's the self-employed dream! But there are trade-offs for all of that freedom and autonomy. The self-employment tax is a great example of one of the trade-offs that comes with working for yourself. If you get a regular paycheck from an employer, you probably noticed those deductions labeled "FICA – Social Security" and "FICA – Medicare." FICA stands for the Federal Insurance Contributions Act, which requires every American worker to pay into the Social Security and Medicare trust funds in order to claim benefits upon retirement. For 2015, the total cost of FICA contributions is 15.3 percent of earned income. If you work for someone else, your employer pays half of your FICA contributions (7.65 percent), and you're on the hook for the other half. If you are...