In situations like this the cost or value may be a secondary consideration. However, there are other reasons that people send coins in for grading, including but not limited to, family memento/heirloom, or registry set needs.
For individuals that are trying to make money or a living by buying raw coins, having them slabbed and reselling for a profit, it is all about will the final sale price for any given coin in a slab be higher than the cost of the coin and grading costs. But often that number is $250 or more, remember that sending a single coin in to be graded will cost around $50-$75 depending on the grading tier and any addons. Most people have a dollar threshold that they use to decide on sending a coin for grading, that number can vary depending on each individual. In your opinion, how you determine which coin should be graded versus one that shouldn't?
I've been wondering which coins are worth getting graded.