A:AnswerThere is no difference it is simply because they don’t want to put the actual item on shelves so they don’t get stolen and also they need to pre order because they don’t always have it on site but it is the exact same product and there is no difference
A:AnswerNot to sure on the expanding memory, but there are rechargeable batteries/ charging stands for the quests. Not sure if they are in Best Buy stores but Amazon would have them!