Should you grade Psyduck #7?

Borderline

+$79.85

net at PSA 10, but the gem rate is 36.8% — profitable only if it gems

The ledger

Raw card$1.96
Regular fee−$79.99
Shipping, both ways−$15.00
Selling fees−$27.47
PSA 10 sale$204.27
Net at PSA 10+$79.85
Net if it grades PSA 9 instead$-75.66

36.8% of the 789 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.