Its a big pain to copy SharePoint Online sites and lists in my tenant. Its really difficult to copy these templates, if I would like to try something before I make it live for the corporation.

The problems:
- Language fitting between the sites
- Teams SP sites, which are created automaticly
- Changing the default language
- Even the whole process is a big shadow, and you can only do it, by googling all around the web for a long time.