I was setting up a Mac for a client and looking for a super cheap method for backing it up. With a 30 GB quota for Google Drive, it seems logical to use Google Drive. I can simply create a startup batch script on a PC to copy desktop, documents, and other important folders to c:\username\google drive on a PC.
On a Mac, I found a good method using "Automator," which is much easier than using AppleScript. As far as the method I used, I basically followed option 8 here:
The nice thing about the above steps is that it sets up an automated running of the script on dates/times.