to change the billing method for your existing hint subscription, simply login to your customer account at www.drinkhint.com, using the same email you used to set up the subscription. once logged-in, click "orders" in the upper right-hand corner. scroll down to "my subscriptions" and click the subscription for which you want to change the billing. you'll see a box that says, "payment method." click "change billing" and enter your new information.
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