I ordered the trial version and paid 4.99$. At that time my checking account had less than 10$ balance, and as soon as I got the thing, I canceled the debit card and asked my bank to provide me a new one. I was aware that my bank does not charge me for new debit card. I have got the new debit card now, and the account has enough money too, but feeling safe so far. ABOUT THE WHITENING PRODUCT: The product slightly seem to improve teeth's color, but doesn't bring as much brightness as they claim! read full review »