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Webflow domain and hosting issue

1.Can anyone tell me if i duplicate a project and then transfer will it transfer both the domain and hosting???
2. and second thing if i buy a domain for a year and hosting for a month/year ,and then publish my client’s website and then handover the project to them will the website be unpublished from webflow after a year of the expiry of domain/hosting.If that is the case what i should do?