I'm a new Hazel user (although I purchased back in January 2014 - just haven't gotten around to using till now) and I'm trying to sync a folder to 2 other folders. For my job I use a combination of OneDrive & Google Drive, and for my personal stuff I also pay for and use Dropbox. I have a "Work" folder on OneDrive that I consider my canonical copy of my work files and since I work on so many devices and like to have multiple copies of my data in case something bad happens, I want to sync that Work folder to Google Drive and Dropbox.
I'm OK with working only out of OneDrive and having Hazel sync to the other folders and have no need for changes to ever flow back the other way.
I downloaded the basic sync.hazelrules file and associated it with my OneDrive folder. This is what I have for Google Drive and it works just fine.

I tried adding a second item in "Do the following" to point to the folder I want Work synced into on Dropbox, but that didn't seem to work (should it?), so I created a second rule for Dropbox.

This rule only seems to work if I uncheck the Google Drive rule. There may be an obvious reason why, but I guess I'm missing it.
Is there a way to have both rules fire off whenever something is changed (within the limitation of "not in the last 10 minutes") ?
Do I need 2 rules, btw? Could I have crafted a single rule to have Work on OneDrive sync to first Google Drive, then Dropbox?
Also, I thought about just scheduling the sync to happen every X minutes, but it doesn't seem like that's possible - am I right?
Thanks for your help!