Should You Grade Mew?
Wizards Black Star Promos · #47
No
Expected profit: $-69.94 (-44% ROI)
Expected Value
Raw price$137.54
Grading cost~$22.00
Blended EV$67.60
Expected profit$-69.94
ROI-44%
Break-even sell price$85.96
Profit by Grade
PSA 7
$34.80
$-124.74 (-78%)
PSA 8
$115.65
$-43.89 (-28%)
PSA 9
$150.06
$-9.48 (-6%)
PSA 10
$600.00
+$440.46 (276%)
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