First of all you need to know how much money you earn, for some people this is easy you look at your Wθ form and there it is, but for seasonal workers, small business people, it gets a little more complicated than that. If you receive income from a lot of different sources for a realistic value of what you actually earn itemize them, put them down on paper. Include all income, now is not the time to be hide money from the IRS you are just fooling yourself, you need to have factual figures here of your true income otherwise you will actually think you're in good financial shape because you know you got this extra income somewhere, but that's not always true.
Complete a Budget Worksheet _ I would urge everybody to sit down with a budget worksheet once in awhile. But you really need to do this if you think your finances are out of control. The form should not take that long to fill out either. It is not important for you to be 100% accurate. It is important for you to understand how your family finances are working for you.