If you consistently get a tax refund every year, it means that you are having too much withheld from the paychecks that come into your household. While it’s always fun to have the government hand you a big check, it essentially means that you’ve loaned them some of your discretionary income, interest-free, for a year or more! If this is your situation, you need to talk to your accountant, financial planner, or employer about adjusting your withholding on your W-4. To calculate the correct number of exemptions to report on your W-4, visit the IRS website at www.IRS.gov and use their online withholding calculator.

Calculating discretionary income is simple. There’s no need to get out your protractor or call your friend with a Ph.D. in Economics. It’s a simple three-part formula that requires basic arithmetic. Once you burn this formula into your brain, you’ll begin to see every dollar that flows in and out of your household in a different light.

Discretionary income is calculated by taking your household total income and subtracting two kinds of expenses from it: fixed and variable expenses, which I’ll discuss in a moment.

On paper, it looks like this:
Total monthly income
– Fixed expenses
– Variable expenses
_______________________
= Discretionary income

That’s it!