If you choose the automatic data migration paid service mentioned above (e.g. Vaultme or Multcloud), then you must follow the cloud drive options only supported by your chosen migration tool. Otherwise, you can consider local disk drive, a USB drive, self-owned NAS or subscribe to the following personal cloud drive options:
(a) Free service (5GB – 15GB): Apple, Google
(b) Paid service (>20GB): Apple (12TB), Google (30TB), pCloud (10TB, only supported by Multcloud), Dropbox (1000TB, only supported by Multcloud)