OKC
To be fair you need to put into your equation the cost of your brats: Total living and schooling.
Everyone admits that as a couple only, or even more as a single, it works fine, just look at what your fork out for accommodation and DEWA/cooling.
If the kids are with you in Dubai (and i must add that this is the more desirable version for most of us), you can easily double that figure.
Apples vs Oranges ......