For clothing resale sites like Poshmark, ThreadUp or Depop, “it’s really hard to overcome the math not working,” says Amanda Mull of Bloomberg.

Ticket prices rose 10.3% in the last year. The seats are plush, the resale market has grown and dynamic pricing extracts more money from fans.

eBay reported a 400% increase in listings with the word “thrifted” in the description, but brick-and-mortar shops are also benefiting from the trend.

Ivy Leaguers and industry insiders are grabbing appointments for trendy places and selling them on the online secondary market.

“Are there better things I could spend my money on? Absolutely,” said one collector. “But am I taking out loans to afford Stanley cups? Absolutely not.”

Ticketmaster’s Verified Fan system was meant to reduce scalping. But Jason Koebler at 404 Media says it may have done just the opposite.

For Venita Cooper, owner of Silhouette Sneakers & Art, business is up. But will it last? “The big challenge is just trying to keep engagement,” she says.

Aiming to keep consumers safe, the Food and Drug Administration has rules for the information placed on packaging.

Everyone from publicly traded companies to individuals working out of their garages are buying and reselling liquidated items.

Erin and Dave Sheffield of Buffalo, New York, met dumpster diving at a local university. Now they’ve taken their hobby to the next level.