I am finding out that if an animal has a chance of finishing in the first 4 , then you gotta put it in.
The problem is that if you put too many animals in , then the return is very tiny and the potential for Profit is lessened.
But that is countered by the increase in Strike rate which does wonders for shattered nerves.

A better idea is to take an Exotic that requires less positions to be filled.
The bonus here is that , although the dividend will be smaller , it is countered by the fact that you will have a greater percentage of the dividend if wagering the same amount.

Another good idea is not to put all your eggs into one basket.
It needs to be allowed for all possible circumstances that can realistically happen , and wager accordingly.