I found the location of it but I can't change the Primary Funding Source from PayPal Balance to others. So the best way is to keep the Balance is empty 🙂 If you want to change your Subscriptions, Automatically billed payments or Installment plan payments go here: Personal Account: go to Settings -> tab Payments -> button Manage Automatic Payments (https://www.paypal.com/cgi-bin/webscr?cmd=_manage-paylist) Business Account: go to Settings -> tab Money, banks and cards -> in the bottom field Automatic payments click Set Automatic Payments (https://www.paypal.com/cgi-bin/customerprofileweb?cmd=_manage-paylist)
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