i,m old enough,but can any oldies

remember backing grade one horses like azure blue at 20,s in a grade 2 race, when 24 hrs previously it was 3,s fav,surely connections and dodds yard arnt that desperate for money, theres more honour in knicking chips of the tramps in the park , exchanges will eventualy kill the game,why bet ,unless you can bet 5 mins before race armed with as much info as you can