I did my ATPL's prior to the ban on tagging but like everyone before me said, you find you don't use them because you know where everything is.
You don't need to know its exact location, just roughly where to look. I say that but know most checkers I've had know exact locations (if not quote word for word).
Have you thought about doing one of the many courses? You'd have spent far less money and have it done already.