here big problem is rent of a appartment. less than 5000 Qr/m is hard to get. so if you have an appartment than there should not be any problem.
some rates are here
Mutton 1Kg = 16 Qr
chiken fresh whole chiken wheging almost 500G = 16 Qr
Fruits and vagetables = 8 Qr/Kg
Hope it will be enough.