The scariest thing haunting Halloween this year isn't a ghost, goblin or ghoul — it's the price of chocolate.From Snickers to Reese's to Twix, one of America's favorite indulgences is getting more expensive, as tariffs, inflation and high cocoa prices squeeze profit margins and customers' pocketbooks, possibly leading to fewer chocolate bars landing in trick-or-treat buckets this year.Chocolate prices have surged nearly 30% since last Halloween and almost 78% in the past five years, according to data from r ...