One of the biggest thrills of the fall season, when layered fashion makes its return, is pairing those favorite investment pieces with chic new finds. What’s better, after all, than buying great clothes at a great price? My closet, for one, recently welcomed a dozen J. Crew shirts, from an effortlessly elegant button-down to a collarless tuxedo blouse with pale blue stripes—a pattern you’ll see a lot of in the Resort 2016 collections. Women have long turned to Bazaar as a trusted fashion authority. Three years ago, we expanded our role from style advisers to personal shoppers by launching ShopBAZAAR.com, an e-commerce marketplace curated by Bazaar’s editors specifically with readers in mind. Now, to celebrate the site’s anniversary, we’re going a step further and sending one reader on a $5,000…