WordPress is not an all-in-one package. It’s a Content Management System (CMS). A CMS allows you to create and organize digital content. Other elements like hosting and domain registration are best done separately. It’s up to you to bring these together in service of a WordPress site. This isn’t nearly as complicated as you might think, but it’s not the easiest way to make a website. We wouldn’t recommend it to people uncomfortable with technology.
The basic plan is free, but is extremely limited. Their personal plan starts with $4 per month billed annually and includes a custom domain. Premium plan costs $8.25 per month billed annually and it gives you the ability to monetize your site and advanced design customization. Business plan costs $24.92 per month billed annually, and it gives you the ability to have Ecommerce and custom plugins.