Want to see capitalism working exactly the way it should? Skip the economics textbook and spend a Sunday morning at the San Jose Flea Market.

The Berryessa neighborhood institution — one of the largest open-air markets in the country — is a sprawling testament to what happens when you let people just sell stuff without seventeen layers of bureaucratic red tape. Vendors hawk everything from vintage vinyl and hand-tooled leather belts to elote, pupusas, and some of the most aggressively good carnitas tacos you'll find south of Market Street. No Michelin inspectors. No $18 craft cocktails. Just honest trade, good food, and vibes that make you forget your rent is due in a week.

What makes the flea market special isn't just the deals — it's the economic model. Small entrepreneurs, many of them immigrants, set up shop with minimal overhead and compete on quality, price, and sheer hustle. No venture capital. No Series B funding rounds. No city-subsidized "innovation hub" grants. Just people exchanging goods and services because both sides walk away better off. Adam Smith would weep tears of joy.

It's also a reminder of something San Francisco's regulatory class tends to forget: commerce doesn't need to be complicated. You don't need a conditional use permit and a community impact review to sell handmade jewelry from a folding table. The flea market thrives because it stays out of its own way.

Of course, the San Jose Flea Market has faced its own existential threats over the years — development pressure, rising land values, the usual Bay Area squeeze. But it endures, because people genuinely love it and keep showing up.

If you haven't been in a while — or ever — carve out a Sunday morning. Bring cash, wear comfortable shoes, and come hungry. It's the best economics lesson you'll ever get for the price of parking.