WordPress.com is a great way to host websites. However, as with any website hosting service, if you’re not attentive to your website hosting and domain registration renewals, you can inadvertently lose a website if a reminder email slips past you.
The best solution to this potential problem is to go to the My Upgrades listing of all your services (hosting, domain registration, and add-ons).
There you can activate Auto Renewal and review what services are close to expiring.
Your own personal My Upgrades listing page will be at the following address:
Fill in your blog name (or website) above where indicated.
Learn more at http://en.support.wordpress.com/my-upgrades/