I'm sending in my external HD to be repaired this week, I can access it but the USB port is fucked up and loose, so it needs to be fixed.

I've already backed it up on one computer, it's 100GB worth of stuff. I need to back it up somewhere else but I'm out of space and can't spend a lot of money right now.

I'm looking for the cheapest place to dump my data as a 2nd back up while I wait for the HDs return. I'm thinking it will take 2 weeks to a month.

I saw box.com has a 2 week free trial for 100GB, then it's 15 bucks a month after that. This seems to be my best bet, but want to know if anyone knows an even cheaper place or a better idea as to how I can back up 100GB for about a month.