Talk:Baro Ki'Teer/@comment-212.242.172.246-20150404211203/@comment-96.228.44.8-20150407172833

Or he could sell everything every time and just add more things to it.

No. It's a rotation to create a sense of urgency to force people to farm faster because "Who knows what will be there or when it will come back!" It's literally artificial market scarcity favoring the house. Opportunists buy a bunch of stuff and sell them to the people that missed it, and those people that missed it buy platinum in order to buy it from the opportunists.