Should you grade Psyduck & Slowpoke GX #218?

Borderline

+$1559.52

net at PSA 10, but the gem rate is 41.2% — profitable only if it gems

The ledger

Raw card$320.83
Regular fee−$79.99
Shipping, both ways−$15.00
Selling fees−$302.17
PSA 10 sale$2277.51
Net at PSA 10+$1559.52
Net if it grades PSA 9 instead+$74.40

41.2% of the 3,689 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.