Step Four: Spend 20 Percent on Savings and Debt Repayments. Now about the extra ๛ you pay on that credit card each month. That's neither a want nor a need. It's the ൜" in the 50ቺተ rule. It's in a class all its own. You should spend at least 20 percent of your after_tax income repaying debts and saving money in your emergency fund and your retirement accounts.
You might choose to break down your expenses even further, between things you need to have and things you want to have. For instance, if you drive to work every day, gasoline probably counts as a need. A monthly music subscription, however, may count as a want. This difference becomes important when it’s time to make adjustments.