Your 3DS will eventually break. Your SD card will eventually corrupt. But with the right knowledge and tools, your save file can live forever.

Solved: Problem with typing when saving - Autodesk Community

| Feature | 3DS (stock) | 3DS (CFW) | PS Vita (stock) | PS Vita (hacked) | Switch (stock) | |---------|-------------|-----------|----------------|------------------|----------------| | Save backup to PC | ❌ | ✅ | ❌ (only via PS+) | ✅ | ❌ (cloud only) | | Save editing | ❌ | ✅ | ❌ | ✅ | ❌ | | Cross-console save transfer | ❌ | ✅ | ❌ | ✅ | ❌ (paid cloud) | | Emulator-compatible saves | ❌ | ✅ | ❌ | ✅ | ❌ |