Zubie is a subscription service, Zubie needs to obtain your credit card information to ensure your Zubie service and account data are not interrupted at the end of your service. When you originally purchased your Zubie subscription, you received access to a service plan that will begin when your order is shipped.
Your credit card will not be charged until the end of your current service plan. At the end of your service plan, Zubie will renew. You can modify your renewal options at any time by visiting your account at app.zubie.com and navigating to "Billing and Subscriptions" under the main menu.