I was at the Element, Hanover, MD and the same thing - All items in the store did not have a price. I picked a tiny bag of mixed nuts thinking it would be $3 - $4 (maybe max $5)
Next day I checked out and literally fell off my chair. That puny bag of mixed nuts was $11. Never in my life I have seen something like this charged even in minibar/in room and mind you this is a generic Element in a small suburb of Baltimore