Online by card (Visa or Mastercard), through NETOPIA Payments. You pay straight from the invoice page in your client account, and the payment is confirmed insta...
For hosting, the renewal invoice is issued 14 days before the due date; for domains, 30 days before expiry. You get an e-mail each time, plus a reminder if the invoice stays unpaid.
Automatic domain renewal is on by default, and expiry reminders are sent 30 and 7 days before. The tax invoice is issued automatically after payment and can be downloaded from your client account.