W924 is right in a way with that advice; bet small if you aren't confident. However this then opens the door to regrets when your system turns into a success, and falls apart when betting bigger. You may discover that "overall' you should have been betting big all along. Anyhow, have a look at Chrome Prince's thread and his Arrows to see how betting "Best Bets" (ie shorties**** is a painfully slow way to make a little or lose a little, while his "longshots" are really doing the job despite the much poorer SR. Had he stayed in last weekend CP'd be even further ahead on the longies system. My experience is that anything mechanical needs a HIGH minimum price to succeed. Set one Mr S(!!**** and you will be both increasing your POT and betting less often (using the same system, that is****. Good Luck.