Worth Grading
The grading maths works on Crushing Hammer #168 from Scarlet & Violet. At $0.22 raw against $205.90 for a PSA 10, that works out to 128% ROG. Not spectacular, but the margin is real once fees are covered.
Among the 75 cards in Scarlet & Violet with PSA 10 sale data, Crushing Hammer ranks 19th for Return on Grading and 21st by PSA 10 price. Of the 2 Common cards with PSA 10 sales, it is 1st for Return on Grading. The median PSA 10 in this set sells for $63.00. 20 of the 75 clear a 100% Return on Grading.