Some card binders are intended for smaller cards, and trying to fit your Pokmon cards in these might cause your cards to bend or otherwise deform
Rejects are returned to you in the same shipment as your graded cards (once they return from grading)
All these things combined make it the single most valuable Pokmon in existence, each time one is unearthed the value increases again
You'll want to keep him as safe as possible with Bodyguards, Locations, and characters that grant him Ward or Evasive because if your opponent can't get rid of him quickly, you can run away with the game.
First of all, eBay makes it really, really easy to look at each and every card you buy
You can check out this video to see what the finished sleeves actually look like: Simply choose the amount of sleeves you want and click the upload button above to upload any design you want