Cardboard Capital • By Poore Sports Cards & Collectibles

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Get the hobby stories worth following, practical buying and selling insights, and a working card dealer's perspective on sports cards, Pokémon, and collectibles. Delivered free every Monday.

  • Understand the news and trends shaping the hobby.
  • Learn what to consider before buying, selling, or grading.
  • Get practical lessons from the day-to-day work of a card dealer.

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A look inside Cardboard Capital

Created by Kiel Poore, the collector and business owner behind Poore Sports Cards & Collectibles. Cardboard Capital brings together hobby news, collector education, and perspective from someone buying, selling, and consigning cards.

Issue #20·November 2, 2026·8 min read

The Day After the Headline

Cardboard Capital heads to YouTube with real conversations from inside the hobby. Brewers win their first World Series, PSA's Value tier reopens at $39.99, and a PSA 10 Mudkip sells for $4.88 million.

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Issue #19·October 26, 2026·6 min read

What Keeps Collectors Coming Back?

Kiel's Chicago trip: Bears 30, Patriots 24, plus card shop stops. Magic: The Gathering crosses $600 million in a quarter, Topps corrects its Chrome Samurai Japan odds, and PSA's backlog keeps shrinking.

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Issue #18·October 19, 2026·7 min read

The People Behind the Cardboard

Kiel heads to Chicago in search of the shops collectors say can't be missed. Cards for Military Kids returns, a 2015 Art Academy Pikachu sells for $1.037 million, and why cleaning a card can change how it's graded.

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Issue #17·October 12, 2026·7 min read

Worth a Second Look

A Kobe Bryant Gold Prizm sold for $1.11 million, seven times what another copy brought four years ago. Topps puts NBA stars in Bob Ross landscapes, Panini turns football into manga, and StockX opens live selling to sports cards.

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Issue #16·October 5, 2026·7 min read

The Card That Called Its Shot

Cam Schlittler's postseason shutout sent his rookie card market soaring, a 25-year-old Pokémon Southern Islands Mew promo climbed past $400,000, and Goldin's latest auction broke records for Ohtani, Mbappe, and the Knicks.

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Issue #15·September 28, 2026·7 min read

Hype Has a Half-Life

August hit $416 million in online card sales — a record third straight month — while Pokémon's hottest chase card fell 96% in twelve days. What the hobby's biggest month actually proves, and why hype always finds its ceiling.

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