Skip For Now
Regirock (Crimson Invasion) is one to leave raw for the moment. The gap between the $0.28 raw price and the $30.00 PSA 10 price gives a -67% Return on Grading. Grading and shipping fees would eat whatever margin is there.
Among the 46 cards in Crimson Invasion with PSA 10 sale data, Regirock ranks 41st for Return on Grading and 41st by PSA 10 price. Of the 2 Rare cards with PSA 10 sales, it is 2nd for Return on Grading. The median PSA 10 in this set sells for $119.00. 17 of the 46 clear a 100% Return on Grading.
