I think below breakup of major expenses might help , suitable for MIG (medium income group) family:

House 2BHK Fully furnished: QR6000
Unfurnished : QR 5000

House 1BHK Fully furnished: QR5000
Unfurnished : QR 4000

House are cheaper in Wakrah Qr 2000-4000 pm
car sedan rental average Qr1500pm
Fuel : QR 300pm (including long drive / outing)
School per child CBSE ( e.g. max Qr1000 pm)
Ration : Qr 2000pm (lavish), potential to save

ALso air ticket, visa, medical for family ( if company pays you single).Devide by 12.

Lucky if you get some of these in lower rates..

You may save QR 2-3k indeed.

Read more: http://www.qatarliving.com/answers/salary/job-offer-of-15000-qar-0#ixzz2...