For sanity's sake, I like the stop betting at a meeting when a winner is struck
idea !!

Manipulating a price and progression staking betting method until it fits [creates] a profit result from the betting publics past stats, and applying this to the future, will probably and eventually just end up at the public's losing result, because no real stats. have been changed. They have just been rearranged.

By not betting on races less than 1100m., F&M races. and any favourite carrying more than 57kg. a real improvement might be gained because it changes the public stat. input criteria. I know this is adding a form study aspect to the method here, but it is unobtrusive and easy to include. Using even one of these rules should make a worthwhile difference.