Progressions

[Tamino]

A QUOTE:

Then you can admire the real gambler, who has neither eaten, slept, thought nor lived, he has so smarted under the scourge of his martingale, so suffered on the rack of his desire for a coup at trente-et-quarante" - Honore de Balzac, 1829

[nowun]

I have a question for those of you that use progressions.  Is it better to use a negative or positive progression?

DO NOT USE EITHER OF THEM.  Flat bet only.