A:AnswerI believe a lot of stores are cancelling any midnight or night before releases due to COVID-19. It might be best to call and ask your local best buy depending on your location's situation,
A:Answerit depends on the demand. online, im sure there will still be copies available on release, but in stores might be a different story depending on how many copies they receive at launch and how many people pre-ordered from that location
A:AnswerYes you can delete the island and start new it should be on the home screen you press x and go to the data of the game and delete the save data file of the game and you can start a all new island
A:AnswerIf you buy the game on the eshop on the switch with the main profile that the switch is set to then all other profiles on the same switch can all have their own island's but only one switch can be put as the main device to that one profile so the other switch would have to buy the game again from the eshop for a different profile on that other switch