allets, shoppers spent $6.8 billion on Halloween.Although the holiday is still a month away, this year's business is scary good for Murry.We have had the busiest opening we have ever had, she said.Costumes to candy to creepy stuff, it all adds up, especially for parents with eager trick-or-treaters.Cindy Laschober was shopping for zombies and skulls with her three young boys.I budget about $40 per