Remove old Payment method from the Billing Portal
You need to set up your Credit Card you want to be used as default. This will be the card that is run for you renewal by the system. If it does not go through the system will try another most recent card added.
To set up your Credit card as default do this:
Go to Billing/Payment Methods/ Set as Default
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To remove a Credit Card so it is never used again. Message Support and give us the last 4 digits of the Credit Cards you want removed.