I got a job offer at Erbil

Hi there
I'm from Egypt and I got a job offer at Erbil, and need your advice on a couple of things please:

-minimum salary to get to live good and make good savings
-How long expats usually stays at Erbil, could it be permanent place to live?
-what can be done there after work, specially I'm travelling without my family
- is it safe place to live and is there any expected future problems

thanks and sorry for disturbing

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