Without fully paid education in writing for both children, knowing your accommodation, full health bens and relocation allowances I wouldn't touch it with a barge pole.

The issue with getting a school place is a non trivial problem for all expats.

It will cost you a fortune to set up here just for one year. If both of you drive you can kiss goodbye to 5k QR a month on car hire alone.

Think SERIOUSLY about this. You will not save money and I honestly do not believe Qatar is worth it for the experience of being abroad .. it is one of the most frustrating places I have lived and I've lived in a few.