Should You Grade Marnie?
Sword & Shield · #208
No
Expected profit: $-7.13 (-18% ROI)
Expected Value
Raw price$18.31
Grading cost~$22.00
Blended EV$11.18
Expected profit$-7.13
ROI-18%
Break-even sell price$-13.07
Profit by Grade
PSA 8
$12.60
$-27.71 (-69%)
PSA 9
$24.60
$-15.71 (-39%)
PSA 10
$73.67
+$33.36 (83%)
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