Should You Grade Zapdos?
Wizards Black Star Promos · #23
No
Expected profit: $-16.93 (-47% ROI)
Expected Value
Raw price$14.05
Grading cost~$22.00
Blended EV$-2.88
Expected profit$-16.93
ROI-47%
Break-even sell price$-0.82
Profit by Grade
PSA 6
$20.36
$-15.69 (-44%)
PSA 7
$23.99
$-12.06 (-33%)
PSA 8
$29.46
$-6.59 (-18%)
PSA 9
$34.46
$-1.59 (-4%)
PSA 10
$145.68
+$109.63 (304%)
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