Yes. They come on their own. You cannot invite them again.......
I don's think so. Unless you have her mail address, it is not possible.
There is no such thing as an "id" in animal crossing.
No, you have to plant them again. You can either buy the saplings from Nook's or plant a fruit to regrow a tree.
No.
yeah it can
no only if you go back in time
A ghost, an animal or you could come back in hell.
If you have erased it then it will no longer work
Set you're DS back to real time.
Oh yes you can. He won't leave in till he gets his lamp back. Keep it as long as you want.
Maybe about 10 15 dollars.