How to pay for portable WiFi?

How would one typically pay for portable WiFi? Is it a one-time fee or do you have to pay recurring charges? Are there different pricing options available depending on the speed and data usage? Do you need to provide a credit card or can you use other forms of payment, like debit cards or mobile wallets? And is there a security deposit required when renting a portable WiFi device? Understanding the payment options and any associated costs is crucial before making a decision to rent or purchase a portable WiFi device.