Per fortnight

Food: 360
Petrol: 50
Bicycle maintenance: 20
Dog food 40
Kids spending 40 (clothes, going out etc)
Own spending 280 (140 each, for going out, alcohol, clothes etc)
Gifts, miscellaneous: 50

I put 300 into savings per fortnight for big bills, holidays and emergencies, And extra onto the mortgage for house maintenance and furniture.