This news item from TODAY is about: Halloween can be an expensive holiday for pet owners—and we're not just talking about the growing market for pet costumes. Veterinarian reports of chocolate toxicity spike 140 percent during the week of Halloween, according to insurer Pet plan. The bills for Fido's chocolate sampling are getting pricier, too, with a typical cost of $627. That's up nearly 20 percent from last year. In some cases, reports Pet plan, claims have topped $3,000.