WordPress is free, open-source software to run on your own hosting or server.
The hosted WordPress.com also includes a free core plan using a wordpress.com subdomain, with ads. Paid plans start at $4/month for a custom domain, $8/month with customization options, and $25/month with add-on support.
Automattic, the company behind WordPress, additionally sells Jetpack with security and backup features for WordPress from $3.50/month.
Additionally, you can purchase paid themes and plugins to add additional features to your WordPress site, with prices depending on the 3rd party vendor.
How much are you paying for WordPress?
We run over 120 websites on WordPress and they are all run on private hosting with free downloaded versions of Wordpress. We also have a few blogs set up on WordPress.com and those are all also run on their free offering. we do pay for some of the plugins we use on our websites but those are developed by private theme and plugin developers.