I would say NO. I recently bought 100 GH/s there, and the maintenance and fees was about 90% of what my revenue would have been. It was really frustrating, so once I saw that, getting almost no profit at all, I sold the GH/s after about 5 hours...
Did not you see that before? After all if cloud mining provider is honest - and they are mining real coins your maintenance fee and other side costs will be enormous. After all they need to earn some money on this. You will no really earn anything you will only get ROI.