Not 100% sure but I am thinking last time I bought a case it was about $20 +/- so half of that. You should be able to pick through 30 bundles to make your boxes.
There are a lot of great threads on here about the elusive chicken and specifically skin :becky:. Use the search option on the bottom of the page and search chicken thighs and I'm sure you'll find your way into a bazillion posts about chicken.