Should you grade Thundurus EX #110?

Borderline

+$229.09

net at PSA 10, but the gem rate is 6.2% — profitable only if it gems

The ledger

Raw card$96.45
Regular fee−$79.99
Shipping, both ways−$15.00
Selling fees−$64.69
PSA 10 sale$485.22
Net at PSA 10+$229.09
Net if it grades PSA 9 instead+$144.69

6.2% of the 338 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.