The fastest & easiest by far is TABQ .
One can set up the options menue for multi betting & can be set up to outlay the same amount each time if need be.
It will accept bets right up to exactly jump start not jump time which some of them do .
I have got on sometimes , several seconds after they have actally jumped.

One can taylor it to do Quinellas only or Exactas only ext.

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Cheers.