The biggest advantage of Virtual Envelopes is that your money is safe in a banking institution instead of cash in envelopes in your house. Just imagine if you hade robbery, fire, or just plain old forgot where you put that cash envelope with your rent payment. Not a fun time trying to recover that!
A list of your income and expenses, no matter how complete, is not a spending plan, but is the information you need to create a spending plan. And, a paycheck_by_paycheck spending plan will help ensure the success of, or at least help prevent the failure of your budget.