Should you grade Blastoise #36?

Borderline

+$377.28

net at PSA 10, but the gem rate is 25.4% — profitable only if it gems

The ledger

Raw card$50.00
Regular fee−$79.99
Shipping, both ways−$15.00
Selling fees−$80.23
PSA 10 sale$602.50
Net at PSA 10+$377.28
Net if it grades PSA 9 instead$-8.85

25.4% of the 552 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.