From Business Insider:
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.
Link to the rest at Business Insider
PG says it may be a larger number than you expect to find.