Once you get your bicycle you can put 2 Pokemon in the daycare.Make sure you have some money with you so you can get them back.
1)Put Pokemon in daycare
2)Go to Battle Subway in Nimbasa(spelling) City
3)Go to around the middle
4)Get something to hold down the down+a key(a rubber band works awesome)
5)Plug in your DS and you can go afk for however long you want.The longer you go afk the more you level
Edited: Apr 5 2011
Added by: FiestaPlayer1995 Mar 19th 2011, ID#15480