I have found that the lay price can often be within .20c if one waits until the last 10-20 secs.

I feel you are on the right track trying for low prices.

Just have a look at any tipsters first selection & note how short in price most are, usually 5.90 & less.

Also note how many fall over in this price range.

Maybe this could be a strong base to place your filters over.

I reckon you could target just one venue a day & lay all the tipsters top selections between 3.50-5.90 & at level stakes say 1% of bank , & it should show a profit.

Cheers.

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Cheers.