GemYeti — Hidden Gem Cards Worth Grading

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GemYeti

AI-powered sports card grading arbitrage scanner. Find undervalued raw cards on eBay that are worth grading for profit.

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Scans thousands of listings nightly across 5 sports categories

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Each card scored 0–100 based on price gap, comps, seller quality & ROI

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See what's selling hot with real sold data and price trends

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Calculate your expected profit before you buy

💰 What you paid (raw card)

📦 Shipping cost

🏷️ Grading service fee

🔟 Estimated PSA 10 value

9️⃣ Estimated PSA 9 value

🎯 Condition confidence

Enter values to calculate

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Breakdown

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Expected Value—

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ROI—

PSA 10 Chance—

PSA 9 Chance—

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💎 GemYeti Account