There is nothing new about this system.

A free copy is available by (googling) sports betting shark pdf

Its similar to the system that has been mentioned a number of times on this forum over the years.

There cant be a copyright on the filters used because its basic universal maths that's been used by punters for a hundred years.


RULES
Target the fav + some others depending on the the price of the Fav
1st Fav.
3.50--- bet 2 runners same amount on each or split 60/40 e.g. 3+2=5
4.50--- bet 3 runners 3+2+2
5.50--- bet 4 runners 3+2+2+2

You may be waiting a while between drinks if you wish to use this on Aust racing.

An alternative is to apply the pricing rule to the 2nd Fav for more action & spread it accordingly.
example
2nd Fav is 4.50
Bet $3 on 1stFav (regardless of favs price)
Bet $2 on 2ndFav
Bet $2 on 3rdFav

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Cheers.