I know what you mean ,it can be very frustrating.

I have a number of systems which produce a good SR & profit over 3.5 years then over the past 6 mounths the SR is the same but the average div dropped dramaticly. Weard!

I`m talking about 50 of my 105 systems.
The other 55 systems performed as usual.

It dont add up ,maybe it`s the old shifting sand thing & the value comes back over the next 6 mounths.

One rule I like to follow, is to try not bet on Mules paying less than $3.20 before jump time.

The down side to this is you might not want to hang around all day to do this.

There are bookies out there who will fix the minimum value for you so one can place all the bets at once & you can do other things.

There is still value out there, have a look at the 3 tips in any tipsters selections & you will see some good value Mules that they have chosen out of their 3.
The trick is to narrow it down to one selection out of their 3.

I have also found that it`s a good idea to ignore any races where the whole field has not had at least 2 career starts.

Anything seems to happen in those events ,usally it`s won by some short assed Fav. with questionable form or an outsider that you would not have picked in a million years.

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Cheers.