Gripping a sharp, new hair trimmer, Sue Picchioni is bittersweet by how it became hers.Over the past two months, longtime customers and do-gooders raised a combined $16,000 to help Picchioni restart her business, which burned to the ground on Jan. 15.Her business, Best Friends Dog Grooming, was one of four that went up in flames that night. Police say a robbery next door at Sifton Market retail center, 13412 N.E. Fourth Plain Blvd., led to the death of a store manager and an intentionally set fire.“I wish it hadn’t taken such a tragedy,” said Picchioni, who also lost three cats and seven birds who lived at the store. “That guy didn’t realize how many lives he impacted by his actions.”Best Friends Dog Grooming reopened this week at a new location, Orchards Market retail center, almost 2 miles west of the old location.The new location is nearly twice the size of the original. Its grooming area has several new animal crates and it is equipped with new scissors, trimmers and hair dryers. A hydraulic lift that holds up dogs of all sizes was the nicest piece of equipment Picchioni had ever worked with, she said.