The first step to saving money is to figure out how much you spend. Keep track of all your expenses—that means every coffee, newspaper, and snack you buy. Ideally, you can account for every penny. Once you have your data, organize the numbers by categories, such as gas, groceries, and mortgage, and total each amount. Consider using your credit card or bank statements to help you with this. If you bank online, you may be able to filter your statements to easily break down your spending.