The official one went on the shelves at 49.99 and disappeared. What is left changes hands second hand for 55 to 80, and the shops that still have stock are rationing it. You already know this, because you have looked.
The idea was never the problem. Twenty four doors and a different figure behind each one is a good idea. The problem is that the only people who still have it have worked out they can charge whatever they like.
This is the same idea without the middle. Twenty four doors, twenty four different figures, none of them repeated, in stock and shipping today.
Ordered this week, it is standing on the shelf long before the first of December.