Should you grade Dark Sandslash #18?

Borderline

+$41.93

net at PSA 10, but the gem rate is 45.2% — profitable only if it gems

The ledger

Raw card$10.16
Regular fee−$79.99
Shipping, both ways−$15.00
Selling fees−$22.92
PSA 10 sale$170.00
Net at PSA 10+$41.93
Net if it grades PSA 9 instead$-44.30

45.2% of the 84 copies PSA has graded came back a 10. Pop gem rates are a ceiling — centering and surface on your copy decide.

Prices from real completed sales, updated daily. Population data from PSA's public population report.