All games should be wagered equally or yous hould have 2 ratings. Lets say $500 is your normal bet, then you can step out and bet a bit more on your games you feel better about.
There is no such thing as a lock, bookie doomsday, inside info, game of my lifetime, etc. These are all selling points from amazing sales people. Unless you personally fixed the game, there is no sure thing in gambling. !~~~!!~~~!!~~~!!~~~!!~~~!!~~~!!~~~!!~~~!