
Stacking Slabs
MurmurCast publishes AI-generated summaries of Stacking Slabs’s Podcast episodes — 9 summarized so far, covering Defining and building a buying thesis, Six components of a sports card thesis framework, Personal connection versus market demand in collecting, Price valuation and negotiation strategy, Cognitive biases affecting collector decisions, Post-purchase ownership and portfolio management. Each summary distills the key insights, topics, and takeaways so you can decide what’s worth your time before pressing play.
Before You Buy the Card, Build the Thesis
Brett from Stacking Slabs discusses how to build a strong buying thesis before purchasing sports cards, emphasizing that collectors should understand their reasoning rather than buying emotionally and justifying afterward. He outlines six key components of a thesis—personal case, card case, market case, price case, ownership case, and risk case—and illustrates how this framework guided three of his own major purchases.
What It Took to Buy My Biggest Card
Brett discusses his $30,000 purchase of a 2022 Immaculate Roman Reigns 1-of-1 card, detailing not just the transaction price but the extensive process of selling 60+ cards from his collection to fund it. He explores the psychology behind large collecting decisions, the importance of relationships in major deals, and how the purchase forced him to evaluate which parts of his collection still held meaning.
The WNBA Card Podcast: Collecting Rhyne Howard and the Atlanta Dream with Jarrod (@wnbacardcollector)
Jared, a long-time sports card collector from North Carolina, discusses his transition from vintage baseball cards to WNBA card collecting, with a focus on the Atlanta Dream and Rhyne Howard. He emphasizes how collecting women's sports cards serves as a litmus test for respecting women and shares his passion for Rittenhouse cards, ticket collecting, and building a meaningful personal collection.
Passion to Profession: How Jamison Long Built a Card Shop People Return To
Jamison Long discusses his journey from leaving a six-figure corporate sales career to building Port City Sports Collectibles, a thriving card shop in Wilmington. He covers his decision-making process, shop expansion strategy, inventory management, collection buying, and his high-profile sale of premium cards to Kevin O'Leary at Fanatics Fest.
Hobby Jobs: The Job Before the Job Description
GameStop's collectibles sales grew 57% to represent 45% of company revenue, but becoming a true collectibles business requires more than inventory—it demands trained employees, fair systems, and community building. Career leverage in the hobby industry comes from identifying and solving collector problems before formal job titles exist.
Passion to Profession: Employee No. 12 — Building Overtime and Its Trading Cards with Sam Gordon
Sam Gordon, VP of Programming and Head of YouTube at Overtime, discusses his unconventional career path from Wall Street to joining Overtime as employee #12, the company's explosive growth through unique content strategies, and his work creating basketball card sets with Topps featuring high school prospects.
Hobby Jobs: The Long Game — Build Trust Before You Need It
Episode 20 of Hobby Jobs emphasizes building long-term relationships based on trust rather than transactional interactions, using relationship-building principles to examine a Manager of Pricing and Assortment role at eBay focused on trading cards. The host argues that strong business operators in the hobby support collectors across five stages (before, during, after, during problems, and between sales) and measure success through repeat customers and referrals rather than just revenue.
Booked to Last: Wrestling Card Hot Takes — Prizm vs. Flawless and the Cards You Can’t Buy
In episode 36 of the wrestling card podcast 'Booked to Last,' hosts Adam Gelman and Brett McGrath discuss recent WWE programming, the Panini vs. Topps product landscape, and emerging card market trends. They analyze major card sales, debate hot takes about the wrestling card industry, and explore how cross-sport collecting knowledge can benefit wrestling card collectors.
The Football Card Podcast #64: There Is No Such Thing as a “PC for Life” Card
In episode 64 of the Football Card Podcast, hosts John and Brett discuss the controversy around a Randy Moss rookie card that was sold as a "PC for life" card but later resold for significantly more money. They explore broader themes about collecting authenticity, player valuations heading into NFL season, and take listener questions about collector philosophy and market trends.