Should you grade Ditto #4?

Borderline

+$157.37

net at PSA 10, but the gem rate is 10.0% — profitable only if it gems

The ledger

Raw card$129.18
Regular fee−$79.99
Shipping, both ways−$15.00
Selling fees−$58.74
PSA 10 sale$440.28
Net at PSA 10+$157.37
Net if it grades PSA 9 instead+$79.17

10.0% of the 219 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.