Should you grade Floatzel GL #4?

Borderline

+$29.14

net at PSA 10, but the gem rate is 3.4% — profitable only if it gems

The ledger

Raw card$7.27
Regular fee−$79.99
Shipping, both ways−$15.00
Selling fees−$20.53
PSA 10 sale$151.93
Net at PSA 10+$29.14
Net if it grades PSA 9 instead$-9.84

3.4% of the 59 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.