itunes history purchase

purchased from the iTunes question history???
so I changed them because computers fail and what my iTunes has changed. says my iPod / iTunes is authorized to play on 2 different computers, but only one im obviously. anyway movie is said Ive bought in the past, but if you try and "buy" again, will I be billed? I can just go to the article that I've bought in the past and redeem it? aww man = (stupid apple
No, they will charge u again: (
2008 03-19 mediabytes: FCC – Apple – itunes – GM – Facebook