That's how Lego works in this country. Wait 6-7 months and you should be able to see a steady supply after the hype is gone. Everyone already has their sets and the resellers are done hogging it.
Can't even PO, gotta wait and hope and beg to buy.

Gundam, can PO months before it's out and even get a special PO price. Even if it's normal production kits.