Should you grade Grovyle #7?

Borderline

+$20.26

net at PSA 10, but the gem rate is 35.3% — profitable only if it gems

The ledger

Raw card$13.99
Regular fee−$79.99
Shipping, both ways−$15.00
Selling fees−$20.20
PSA 10 sale$149.44
Net at PSA 10+$20.26
Net if it grades PSA 9 instead$-66.00

35.3% of the 17 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.