Of course, now you must differentiate between which expenses are "needs" and which are "wants." Basically, any payment that you can forgo with only minor inconveniences such as your cable bill or back_to_school clothing is a want. Any payment that would severely impact your quality of life, such as electricity and prescription medicines, is a need.
The 50ቺተ Rule of Thumb for Budgeting. You've reviewed your spending and created a budget, and now you know exactly how much you spend on your home, your car, discretionary spending, and how much you divert to your retirement accounts. That's all good, but what about your other savings, such as for an emergency? How does your financial allocation compare to the amount you should ideally spend and save?