>> (don't laugh) a USB stick.
I to own my hardware too.
In addition to many USB sticks, I have several external drives and a DNS-343.
And for the cloud, I think there are too many free alternatives to DropBox (for personal use).
I did find DropBox to be practical for an ERP consulting firm I once worked for.
The group was made up of remote users and had no physical offices.
DropBox was a convenient way to share a lot of information.