Try this next time you bet:
Rules: NSW Metro, Good track, SP Fav no.1

Returns 1.5% POT after 5.5% commish on Betfair.

Then put a 'top' jockey on board. I've excluded jockeys that had <= 5 rides for the two year period:

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For Randwick today, using the selection method of NSW Metro, Slow track, SP Fav 1 (based on Pre Post) and only profitable jockeys proven over those conditions in past two years, it's all NASH!

As in Nash Rawiller, who has a 56.3% SR and a 21.34% POT. He should be on board the SP Fav in SR 2,3,4,6. Let's see how he goes?