Should you grade Vaporeon #52?

Borderline

+$53.67

net at PSA 10, but the gem rate is 18.8% — profitable only if it gems

The ledger

Raw card$5.00
Regular fee−$79.99
Shipping, both ways−$15.00
Selling fees−$23.93
PSA 10 sale$177.59
Net at PSA 10+$53.67
Net if it grades PSA 9 instead$-86.51

18.8% of the 69 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.