[quote name='scrub0bk']also, basically if you have a pre-paid card, and use all the money on it, and use it for an offer that will charge you monthly, you dont have to cancel anything then since there is no money on the card?[/quote]
Cancel; what you are doing is exactly why gift cards are disliked by these companies and why they ban for them. If you do that, it might flag you and get banned, plus they may come after you for money. Just cancel the trial if you don't like it, but don't leave it alone.