In most cases Google will charge your account one time per month.. Before that happens remove your payment information from the Google account so that they can't charge you until the discuss options with you..

We pay with a credit card that is only used to pay for Google Adwords and nothing else.. It would be simple for us to cancel that card to keep it from being charged..

What Google "should" do and what they actually do may be two different things.. But it would be very hard for them to declared these clicks as anything but fraud and either refund you or not charge you to begin with..

And finally, use better passwords and make sure that your computers are secure..

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Steve : Animal Charms Animal Jewelry | Fishing Blog
I'm smelling a whole lot of if coming off of this plan.