The cost of Wix domains differs depending on several factors, including:
The type of domain extension
Your local currency
The number of years selected
Adding privacy protection
Your local tax or VAT laws
To check the renewal cost of your domain:
Go to Premium Subscriptions in your Wix account.
Click View payment details in the Upcoming payment columnfor the domain you want to check.

Note:
The free domain voucher covers the first year of a Wix domain subscription. If you purchased your domain using this voucher, you will need to pay if you want to renew it.
This article is credited to the Wix team - https://support.wix.com/ and we thank them for that!