Re: SSH Traffic?
Yes, with SSH you merely told the computer at home what to do.
If you'd used Samba instead, you'd be looking at a massive internet bill.
Since I was a kid I noticed that using Appletalk to copy a file from an internal to external hard disk on the same computer would cause the file to be transferred across the network needlessly. I thought "Why don't they have some little way where the client can tell the server to just do the copy itself?". I'm still disappointed that Samba doesn't work this way.
However you're okay, you used SSH.
I try to treat the cause, not the symptom. I avoid the terminal in instructions, unless it's easier or necessary. My instructions will work within the Ubuntu system, instead of breaking or subverting it. Those are the three guarantees to the helpee.