Yes. You can add to your order from the website, or by calling Help Team for the duration of the day on which you start your order (e.g if you order Saturday morning, you have until 11:59 on that Saturday to add to your order) – and no matter how much you add you will only pay …
You can return split pay items using normal returns process and terms. Any payments that have been paid off against the split pay item will be refunded, with the exception of the delivery charge.