Optus - Residential Sales offers a variety of payment options to accommodate their customers. Customers can usually choose to pay their bills through direct debit, which allows for automatic deductions from a nominated bank account on a set schedule. Additionally, online payment options are typically available, enabling customers to pay via the Optus website using credit or debit cards. For those who prefer in-person transactions, payments can often be made at designated retail outlets. Electronic funds transfer is another common option, where customers can transfer funds directly from their bank accounts. Finally, customers may also have the ability to set up a flexible payment plan if they require assistance. To find the most current and detailed information on payment options, it is advisable to refer to the official Optus website or their customer service page.