On the 500-square-foot second-hand clothes store at 836 E. Johnson St., there’s one query that proprietor Lindsay Leno and her staff hear so much: “The place are the worth tags?” When Leno opened Upshift Swap Store in 2013, the fundamental premise was that nothing could be on the market. As an alternative, consumers would carry a bag of gently used garments to commerce in, pay a $20 “swap payment” after which choose new objects to fill the bag. Secondhand sneakers are displayed close to the doorway of Upshift. RUTHIE HAUGE For Leno, who teaches style merchandising at Madison School, swapping is a lifestyle. This mannequin, she believes, gives recent model with…