Those Radio TAB selections have a very good SR of approx 47% in their top 2.
The trick is to try & squeez a better price than what the TAB is offering.

I have found with quinella betting that it is a strong idea to only box ones selections if there is at least 2 ,of the 4 horses being boxed , is paying approx $10+ otherwise the dives will be all around the $15 mark which is not enough to sustain a long term profit.

Cheers.

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Cheers.