Today's quaddies are:

Goulburn
1, 2, 5, 6, 7, 8, 9
1, 2, 3, 4, 5, 6, 7
1, 2, 3, 4, 5, 7, 9
3, 6, 8, 9, 10, 11, 13
Outlay of $2,401

Rocky
1, 3, 4, 6, 7, 8, 9
1, 2, 3, 4, 5, 7, 9
1, 2, 3, 4, 8, 10, 13
1, 2, 4, 7, 8, 9, 10, 11
Outlay of $2,401

Geraldton
2, 3, 4, 5, 6, 11, 12
1, 2, 3, 4, 5, 8, 9
3, 5, 6, 7, 8, 10, 11
1, 2, 3, 4, 7, 9, 10
Outlay of $2,744

I have omitted Kyneton because race 6 has only six starters.

Total outlay of a huge $7,546.