If I understand your situation correctly, you don't really need to do a migration. The status quo (if you don't pay for GSuite after the deadline) is that you w

If I understand your situation correctly, you don't really need to do a migration. The status quo (if you don't pay for GSuite after the deadline) is that you won't be able to receive send new emails, set up videoconferences in Meet, upload new stuff to Drive, etc. However you'll still be able to sign into the account, track your subscriptions in Youtube, install apps you've bought on the Play Store, sign in via OAuth on non-Google websites, etc. edit: however I'm not sure how storage quotas work and if you'll be able to upload new things on Photos