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Deciphering the diamond and gem district

Even the pros have trouble with certain pieces of jewelry. But there's at least one reliable way to verify what you're buying.
Dave Bindra, of B&B Fine Gems, is our guide to the gemstones and jewelry.
David Brancaccio/Marketplace

The do's and don'ts of the Downtown Los Angeles Flower Market

For florists and other small businesses shopping a wholesale flower market, building relationships among vendors is key.
Poppy Askew's flower market faux pas: When you pull flowers out of a bucket for inspection, don't let them drip on all the others.
David Brancaccio/Marketplace

Shopping the Rose Bowl Flea Market like a pro

Bring cash. Don't be afraid to haggle. Oh, and stay hydrated. It can get hot out there.
Among Annette Vartanian's top tips for flea market shopping: Bring cash, always be scanning and don't hesitate to negotiate.
David Brancaccio/Marketplace

Here's how to negotiate, from the political stage to your family

Jun 15, 2018
Wharton professor Maurice Schweitzer explains the fundamental principles behind the skill.
North Korean leader Kim Jong Un, left, shakes hands with U.S. President Donald Trump during their historic summit at the Capella hotel on Sentosa Island on June 12 in Singapore.
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