If you check your bank account today, you might see a few dust bunnies. Living a cash-free life is convenient, but you can't pay for everything with plastic or apps and think the debts won't have to be paid. Closely examine your statements and assess your financial health today. It might be wise to go back to the old-fashioned idea of not buying what you can't afford. At least that way you will know at a glance what you have or don't have.