Should you grade Aggron [Holo] #1?

Borderline

+$781.11

net at PSA 10, but the gem rate is 16.7% — profitable only if it gems

The ledger

Raw card$15.00
Regular fee−$79.99
Shipping, both ways−$15.00
Selling fees−$136.56
PSA 10 sale$1027.66
Net at PSA 10+$781.11
Net if it grades PSA 9 instead$-40.99

16.7% of the 228 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.