My Sister's Closet, part of the consignment chain Siner owns with her sister Tess Loo, in July opened a store at Biltmore Fashion Park, the company's swankiest Arizona location yet.

Interesting stat: About 12 percent to 15 percent of Americans shop at a consignment store in a given year, according to consumer research firm America’s Research Group. Details: 480-991-0700 ...