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Should You Crack That Slab? The Real Math Behind the Madness

kenstantine - February 21, 2026

Collecting 101

KensCoolCards Announcement: Testing the Waters with One Piece TCG

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State of Grading in the Sports Card Industry (2025 Edition)

Collecting 101

Logos Optional: Why Unlicensed Sports Cards Are Fun, Flashy, and (Sometimes) Worth It

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How to Ship Sports Cards Like a Pro (Without Feeling Like You’re Defusing a Bomb)

Collecting 101

The Office Meets the Hobby: What Kind of Baseball Card Collector Are You?

kenstantine - August 21, 2025 0

eBay Selling 101

How to Earn $1,000 a Month Selling on eBay: Proven Tips for Success

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eBay Selling 101

How to Sell Rare Baseball Cards on eBay: A Collector’s Guide

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Collecting 101

The Collector’s Code: 12 Rules for Building a Smart, Sustainable Collection

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Players

Steel & Ivy: A Tribute to Ryne Sandberg

kenstantine - July 30, 2025 0

Sets and Releases

Why the 1975 Topps Baseball Set Is Still One of the Greatest of All Time

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Featured

How MLB Milestones Influence Baseball Card Prices

kenstantine - June 4, 2025 0

Sets and Releases

Why the 1985 Donruss Baseball Set Might Be the Greatest Baseball Card Set of All Time

kenstantine - May 27, 2025 0

Favorite Cards

Marcelo Mayer Gets His First Big League Hit – Kid’s Got Potential!

kenstantine - May 26, 2025 0

News

Avoiding Scams and Managing Buyers in the Sports Card Market on eBay

kenstantine - May 26, 2025 0

Favorite Cards

6 Best José Ramírez Autographed Baseball Cards for Your Collection (Where My Guardians fans at?)

kenstantine - April 24, 2025 0

Grading

Why I Don’t Use PSA (or others) and Prefer SGC: A Collector’s Perspective

kenstantine - December 19, 2024 0

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What I’m Buying Right Now (Spring Training + WBC Edition)

March 1, 2026

Should You Crack That Slab? The Real Math Behind the Madness

February 21, 2026

KensCoolCards Announcement: Testing the Waters with One Piece TCG

December 3, 2025

Human vs AI Card Grading: Who Should You Trust With Your Grail?

November 15, 2025

Featured

Should You Crack That Slab? The Real Math Behind the Madness

KensCoolCards Announcement: Testing the Waters with One Piece TCG

State of Grading in the Sports Card Industry (2025 Edition)

Logos Optional: Why Unlicensed Sports Cards Are Fun, Flashy, and (Sometimes) Worth It

How to Ship Sports Cards Like a Pro (Without Feeling Like You’re Defusing a Bomb)

Most Read

What I’m Buying Right Now (Spring Training + WBC Edition)

Should You Crack That Slab? The Real Math Behind the Madness

KensCoolCards Announcement: Testing the Waters with One Piece TCG

Human vs AI Card Grading: Who Should You Trust With Your Grail?

EDITOR PICKS

How to Earn $1,000 a Month Selling on eBay: Proven Tips for Success

How to Sell Rare Baseball Cards on eBay: A Collector’s Guide

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