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Card Grading Strategy & Tips
Get better grades with proven strategies — from centering and corners to edges and surface quality. Learn AI-powered pre-screening techniques.
More in this series
Guides
Card Centering Guide: How PSA, BGS, and CGC Measure Centering
PSA tightened Gem Mint 10 centering from 60/40 to 55/45 on the front in Q1 2025. See the new standards plus BGS 50/50 Pristine, CGC, and SGC tolerances — all with visual examples.
CardGrade.io TeamSep 15, 2025·11 min read
Tips & Tricks
10 Common Card Grading Mistakes (And How to Avoid Them)
Avoid these 10 common card grading mistakes that cost collectors money. Learn how to grade cards properly and pre-screen before submitting.
CardGrade.io TeamOct 20, 2025·10 min read
Tips & Tricks
Pokemon Card Grading Tips: Maximize Your PSA and BGS Grades
Expert Pokemon card grading tips for PSA and BGS submissions. Handle holos, check WOTC quirks, and pre-screen with AI before grading.
CardGrade.io TeamNov 17, 2025·11 min read
Guides
Card Edge and Surface Grading Guide
Edges and surface quality can make or break your card grade. Learn what graders look for and how to evaluate these often-overlooked sub-scores.
CardGrade.io TeamFeb 21, 2026·12 min read
Tips & Tricks
How to Prepare Cards for Grading Submission
Proper preparation protects your cards and maximizes grades. Learn the step-by-step process for cleaning, sleeving, and packaging cards for PSA, BGS, or CGC.
CardGrade.io TeamFeb 21, 2026·12 min read
Tips & Tricks
Phone Camera vs Scanner for Card Grading: Which Captures Better Images?
Should you use your iPhone camera or a flatbed scanner for AI card grading? We break down image quality, convenience, accuracy, and when each method makes sense.
CardGrade.io TeamFeb 26, 2026·11 min read
Tips & Tricks
Why PSA's 43% Gem Rate Is Misleading (And What It Means for You)
The widely cited 43% PSA 10 gem rate hides a massive selection bias. Our analysis of 32,000+ cards reveals the real odds of getting a PSA 10 -- and how pre-screening changes everything.
CardGrade.io TeamMar 17, 2026·8 min read
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