IT probably won't charge you. Its like making any other type of account ie: eBay, where it needs your credit card info, incase you wish to make a purchase. But just in case, remember to read the fine print.
hey i just got an ipod mini and i was looking in itunes for free music b/c im not buying it. so there's a free single every week, so i clicked this weeks but it says i need a user account. so i started to make one but ti wants my credit card info...why? is it gonna charge me or something? just wondering b/c i dont wanna get jipped! thx ya'll