Wanna hear something really scary? If the estimates are correct, you’ll drop an average of $74 bucks for Halloween.

$6.9 billion. That was Fortune Magazine’s estimate in 2015 for the total amount Americans spent on Halloween. That included candy, costumes, and decorations. This year likely will be close to the same totals.

So, why do we celebrate Halloween? What makes us shell out hard-earned cash for large quantities of candy and dress up like ghoulish figures and politicians? Please forgive my redundancy.

According ...