Unlock the Mystery: Domain vs. Hosting – Which One Holds the Key to Your Online Kingdom?
Renewals, billing, and support will also happen in the same place, and in the case of WordPress.com, you can even save money by getting a free domain for the first year of your hosting plan.
Keeping your domain and hosting separate can make it easier to manage each one individually, but you don’t need to transfer your domain to switch hosting providers. You can simply update your domain’s DNS settings to point to your new host.
If you don’t want to deal with that and prefer to streamline the process, bundling domain and hosting is often the easier path.