Apps On The Move

To keep stuff in sync between beorg and my desktop, I have symlinked the org file from icloud to my home dir: 

$ cd ~
$ ln -s ~/Library/Mobile Documents/iCloud~com~appsonthemove~beorg/Documents/org .

I have a few questions:

1. How safe is this? If I delete beorg (not that I plan to) will I lose all my org files?
2. I assume this is saved to iCloud, but is it also caught by Time Machine?
3. Is it better to do some different, e.g. symlink a home org dir (under time machine backup scope) to the icloud directory, as done below?
   

$ mkdir ~/org  # make an org dir at home
$ cd ~/Library/Mobile Documents/iCloud~com~appsonthemove~beorg/Documents/
$ mv org/* ~/org/
$ rm -rf ./org
$ ln -s ~/org .

 What's the best practice here?