Which of the following is a method to obtain insurance for postal items?

The correct choice is comprehensive because it incorporates all available options for purchasing insurance for postal items. Obtaining insurance for postal items can be done through multiple channels, which provides flexibility and convenience for customers.

Retail counters allow customers to interact directly with postal employees, who can assist in choosing the appropriate level of insurance based on the value of the items being sent. This face-to-face interaction can also help address any questions the sender may have.

Online purchasing offers a convenient method for those who prefer to handle transactions from their own devices. Customers can select insurance during the process of creating their shipping labels or purchasing postage online, which saves time and allows for easy tracking of their shipments.

Self-service kiosks provide an additional option, allowing customers to quickly and efficiently buy postage and insurance without the need to wait in line. These kiosks are available in many post office locations and support a self-service experience that many find appealing.

By encompassing all three methods—retail counters, online, and self-service kiosks—the correct answer reflects the various ways customers can secure insurance for their postal items, ensuring they have the flexibility to choose the option that best suits their needs.