Should you grade Zapdos #30?

Borderline

+$263.96

net at PSA 10, but the gem rate is 8.4% — profitable only if it gems

The ledger

Raw card$5.00
Regular fee−$79.99
Shipping, both ways−$15.00
Selling fees−$56.05
PSA 10 sale$420.00
Net at PSA 10+$263.96
Net if it grades PSA 9 instead$-53.61

8.4% of the 1,510 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.