Update: Marking this as expired. It’s not loading for me in the final checkout page. Did it work for you? Might be worth it to try it on your end.
I don’t know if this is a Glitch or what, but we saw something similar a few days ago on the CVS brand vitamin (no longer available). Basically, you add this Clif Crunchy Peanut Butter Energy Bar to your basket, and you simply check out. The total will be zeroed out with Free shipping. There’s a $2.00 Off Vitamins coupon that gets applied automatically, and for some reason it’s applying on this. Maybe Clif Protein bars count as vitamins? lol. I don’t know. I just tested it and it worked. I got email confirmation. Here’s a screenshot of my checkout page: