As a Lay bettor, I'm stuck with Betfair, but have formed the view that providing you're not an Arber, just Back horses, then wouldn't the go be to open an account with every betting agency going? Not just to dilute your impact on any one provider and hopefully stay under the radar, but also to benefit from an average of all dividends?

Hawkesbury R2 was a good example: Organisms ~ NSW $9.10, UNI $24.20, STAB $11.30.