Mate i do have more than a $1 on the ones that i fancy. But also have an account in which i back all my selections $1 each way have been doing it for years .The ones i think will be odds on i have $2 a win.Believe it or not couldnt remember when i last deposited money in the Unitab account that i have my system bets.
cheers
I also point out that i list every horse that qualify in my system and really dont expect them all to win.
If you check insiderail you would be able to guage the ones i like.