Considering moving into Cairo, Egypt

Hello,

At the moment, i'm considering a job proposal to work in Cairo.

From your experience, which main advices would you give to an european citizen used to european lifestyle?

My main concerns are:

- Security (obviously the first one, regarding family);
- Cost of living;
- Where to live;
- Schools for kids;
- Get used to the city, lifestyle and religion;

What would you consider the main dificulties? And the best things?

Thanks a lot for any kind of help.

JAP