Or use Syncthing
Sync your files between your PC, Laptop, Phone, Tablet. Windows, Linux and Android (not sure about Mac/iThing) with no cloudy middleman apart from the internets themselves.
And if you don't trust the projects public discovery servers that helps your devices find each other across the internet you can run your own if you open the right ports on your router.
Only limit on storage is the smallest device you have...
Biting the hand that feeds IT
