Comment You could also do the Blogger/Blogspot Thing (Score 1) 108
Basically, create a blog on Blogspot, and then set it up for a custom subdomain: How do I use a custom domain name for my blog?
Then follow the directions at a link.
The blog will be hosted on Blogger, which will handle maintenance, but the URL will point to (for example) https://blog.xyzzy.com/ .
I would still try to find something that you can place a trademark or service mark on, and have the home page explaining the product/service.