I don't really know what this means, but it is a form of self-employment. I know that you can work on the fly for people with your skills and expertise. It is similar to a contractor.
You do fill out a 1099 form from the IRS to keep track of your earnings. I am not sure the exact details, but I believe you have to pay your taxes separately. Also, I believe if your income for the year is under a certain amount (like $500) including deductions you may be exempt.
This is when you work for yourself and usually by yourself. Like being a contractor or freelancer. You could have a self-contain…