Benny,

Last start price is a fairly meaningless form rule as it applies to the class and condt. of the runner's last race only. The horses next race is often not a similar race to it's last start [different track, distance, weight, class etc.].

I always apply a price rule for the contested race at hand and I don't worry about a low[ish] number of bets, which is often the main attribute of all winning systems.

An easy preliminary test you can do on any system you make up is to apply this rule: - if the system shows more than 10 bets from all available Sat. meetings [it will show far less on any other day], discard the system as it will be a loosing one. I call that my No.1 System's systems rule !!!