Here's something that seems to work .
RULES
Target the second Fav in every race.

Wait for 6 outs in a row to occur in chronological order for all venues bolted together.

Then

Start betting at level stakes for 6 outs or a winner.

Then start again.
It takes patience to use this plan or a Bot program to do it for you.
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Usually 2.5 x max run of outs can work well for most level stakes plans once the max run of outs is known based on average percentage SR.
Because we have to allow for the worst run of outs then one win then another worst run of outs again.

But .5% of bank works stronger.
It can then be adjusted up or down at the beginning of each new day.
Doing it this way, it smooths out the big swings ,up & down, that can occur in punting.

It is also psychologically more comforting to the punter & the punter tends to put on his value hat when doing it this way rather than targeting really short priced , cant lose horses. (which often do lose ).

If you could make just 1.5% a day that's 10.5% on bank a week.
With a $10,000 bank x .5% = $50 bets, that's $1050 a week tax free.
You would need a $1,500 a week PAYE job,working 40+ hrs a week, taxed at 30% , to make that sort of money.

There! The secret is now out.
The only thing that lets the method down, is the human element.

I have not come across one person yet that can stop themselves at 1.5% Profit a day.
or
Get themselves out of bed for 1.5% a day.

The next question the spoon feeders will ask is...
"How can I make 1.5% a day?" (They really should not be punting)

You could try this Lay betting Plan that works .

RULES
Target races with 11+ runners .
Whole field must have 2+ career starts.
Target horses where the Trainers have a 7% & less win SR.
Price 4.40-99.00 on Betfair.
Bet .5% of Bank level stakes.
You only need 3 successes a day.
Easy!
Then stop for the day (that's the hard part).

It works, but I know that no one will use it , that's why I don't mind sharing these ideas.

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Cheers.