The best and fastest "cloud storage" is a separate drive kept at a local bank or friend's house. Rotate periodically with an active drive. Do not leave active drives plugged into the computer! Keep one in a safe, or similar, where it cannot easily be found and stolen by the five minute burglar.

The single biggest problem with cloud storage is that you can never see the financials of the company. That is, your cloud storage could evaporate at the press of a button by a liquidator ...