He's getting a SPECTACULAR deal! When I got my 4 adult hens this spring, I paid $40 for 3 of them and got one for free because she had a hole in her head. One of the hens has never laid, but I still think I got a good deal, because the free hen is a Black Star (and lays an egg every single day). Furthermore, most hens are $20-$25 in my area on Craigslist.
This man, with 19 hens laying an egg a day will be getting just over 11 DOZEN eggs a week. Free range eggs are selling for about $4 in my grocery... sooo... that's $44 dollars a week in savings/earnings. He will make back his initial purchase in less than 2 weeks once they start laying! Also, with them being free range, he won't have as much feed cost.

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Perhaps tell him that buying juvenile Black Star Pullets from Murray McMurray are $10.95 each, and that does not include S&H.
He's getting a wicked deal, and I personally would post them on CL for easily 3 times what he's getting them for.
I wish you were nearby and looking for a new home for them before I filled out my flock!
*shakes head* $3.68 a hen... oy.