Ade, your not going to make a bean betting [any combination] of e/w on odds-on horses. In fact unless you have really good darts your not going to make a bean betting odds-on. Approx. 50% of them at those rotten odds get beaten for starters!

You might do better backing the 2nd and 3rd fav. for the win [only] AGAINST any odds-on fav.