Good point:
…cloud storage solutions can be expensive in the long run (for instance, 50 GB of iCloud storage costs $100 per year) and, obviously, they require broadband Internet: if your Internet goes down (or perhaps you’re traveling), not only can you not access your data, you can’t save anything either. You also have to decide how much you trust cloud service operators to secure your data. After all, we’re getting to the point where major security breaches are becoming everyday news.
Source: Ditch the shoebox for a vault: How to preserve your digital life for decades