u/Famous-Register-2814

Probably an attempt to combat resale bots. They will select “Customers subscribed to the Pokémon Center newsletter and who meet specific criteria.” Customers will receive an invitation email with a link to purchase selected products early. You can’t create multiple emails to try to get multiple invites. This is probably for TCG products, but I wonder if some of the rare plush collections will see this implemented too.

https://support.pokemoncenter.com/hc/en-us/articles/35134190572564-Pokémon-Center-Early-Access-FAQ