Should You Grade Psyduck?
Secret Wonders · #100
No
Expected profit: $-17.33 (-62% ROI)
Expected Value
Raw price$5.87
Grading cost~$22.00
Blended EV$-11.46
Expected profit$-17.33
ROI-62%
Break-even sell price$-9.48
Profit by Grade
PSA 7
$10.00
$-17.87 (-64%)
PSA 9
$18.90
$-8.97 (-32%)
PSA 10
$111.65
+$83.78 (301%)
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