Should You Grade Computer Error?
Wizards Black Star Promos · #16
No
Expected profit: $-16.77 (-61% ROI)
Expected Value
Raw price$5.64
Grading cost~$22.00
Blended EV$-11.13
Expected profit$-16.77
ROI-61%
Break-even sell price$-11.14
Profit by Grade
PSA 7
$13.72
$-13.92 (-50%)
PSA 8
$14.77
$-12.87 (-47%)
PSA 9
$21.95
$-5.69 (-21%)
PSA 10
$116.28
+$88.64 (321%)
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