You may like to try this different approach for fun & profit with minimised risk,
because if they both fall over all day , you still make a profit.

RULES
Target 2 horses a race

Make sure they are both $4.50 & less .( Important)

Lay one of the two horses at 1.5 units to fall over.

Back the other for 1.0 unit to win.

If both fall over , profit .5 unit.
with a free bet opportunity for the Back bet to win.

If Back bet wins , your in profit.

If lay bet wins instead of falling over for us , we make a smallish loss.

If you feel that you are hopeless at separating them , then use the tipsters top 3-4 selections to separate the two selections.


Example
Back 5.00 @ 4.90 horse.
Lay 7.50 @ 3.50 horse

If our Backed horse wins
Return 5.00x 4.90 =24.50
Ret 24.50 - O/L 5.00 = Profit +19.50
Plus the +7.50 from the Lay horse that fell over.
Total Profit +27.00

If they both fall over.
5.00 - 7.50 = Profit +2.50

If Lay horse gets up to win
7.50 x 2.5/1 (3.50) = loss -18.75
Plus 5.00 loss on Back bet
Total Liability loss -23.75

If you don't hit the wrong one all day , one should do well.


Tipster Site
If you want more tipsters to use , one could use the tipsters on the SKY racing site.
They are just as good as anyone else because they are at the track every single day and one would like to think that one would develop a feel for their job after doing it 8 hours a day, every day.
But some days you would have to question that.

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Cheers.