Consumers may spend a record $12.2 billion this year — that's the treat. But sellers may need tricks to bring their goods to market.
By one estimate, Americans will spend more than $10 billion on candy, costumes and decor this year.
"It could either be the worst year we've ever had or the best year we've ever had," said one costume retailer.
Halloween spending is expected to hit a record $9.1 billion this year.