Should You Grade Drayton?
Surging Sparks · #244
No
Expected profit: $-13.48 (-45% ROI)
Expected Value
Raw price$8.18
Grading cost~$22.00
Blended EV$-5.30
Expected profit$-13.48
ROI-45%
Break-even sell price$-21.51
Profit by Grade
PSA 8
$8.56
$-21.62 (-72%)
PSA 9
$8.99
$-21.19 (-70%)
PSA 10
$43.79
+$13.61 (45%)
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