Thanks for your detailed detailed post , it was well explained.

Progressive staking has to be treated with respect & caution , for the simple fact that the 20 outs in a row or more is always lurking in the shadows if win betting .

It`s always a better idea to stop betting after a pre-determined series of loosers E.G. 8 loosers in a row, then start again once one of your selections gets up, only this time you half the amount to be recovered, once thats done, you can the recover the other half & so on .

Its based on the well known observation , that where there is a run of outs , there`s also a run of ins.
I beleive staking plans can work, it`s knowing when to stop once your ahead is the tricky bit.
If you had a selection plan thats always picked a winner within 20 bets based over 300 races ,you would possible make a fortune ,depending of course on the average dividends , you would also have to work out what size bank you would need based on the average divided stuck over your past results , to sustain 20 outs in a row.Its also an idea to have 2 banks of the same amount so your are not betting with frightened money . This where most punters judgement gets clouded & they start changing their plan of attack .Thats when the most used sentence in the world is heard "IF ONLY I....."
Once you have that figure you can make that you min. divisor you`ll go to ,if the price on offer is less than this & you still wish to bet that horse .Personally I will not bet my selection unless I get a min. dividend of at least $3.30 for the win.The min.divisor I would use no matter how short priced the horse, is 3.0 if it falls over the out lay is not as great , if it gets up I recover most of my losses, & then keep going.

This is where the diciplin thing comes into it & also the frustration of only winning a small amount to outlay, but that`s the attitude one has to be resigned to if one is insistant on progressive betting.

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Cheers.