Checklist
The System Web Server does not use ports 80 nor 443.
The Web Center does not use ports 80 nor 443.
Optionally, the Configuration shared folder has been created. Otherwise, you are OK with the fact it will be created automatically.
You have selected a domain, or a subdomain, to use for the local network. Throughout the documentation, the example.com domain will be used.
You have a method to add DNS aliases (CNAME) on your router, or will be installing Pi-hole to administer CNAMEs.
You have decided which SSL certificate method to use.