There is an excellent article about top fluc betting in this week's 'Punt To Win'. It is unbiased and offers clear, sensible advice.

Betting on horses is one of the riskiest things to do with your money (although it does fall short of feeding a poker machine but that's not risk, that's just dumb). The ONLY way to have any chance of staying in front long term is to be as conservative as possible and to calculate every risk you take.

That means getting the maximum value out of your selections and setting the minimum price you are prepared to accept.

Knowing when to bet is one thing: knowing when NOT to bet is even more important.