Here's how to see how much you've spent on Amazon in your lifetime

Ever wonder how much you've spent on Amazon over the years?

If you're feeling brave and want to see the total amount, you're in luck, there's a way to check that's easier than you think.

Using a tool that Amazon provides - but doesn't advertise - you're just a few clicks away from seeing how much all those late night orders have really cost you.

Disclosure: Jeff Bezos is an investor in Business Insider through hispersonal investment company Bezos Expeditions.