I use Sportsbet.com.au for my betting prices. I bet selectively. I aim to take out a set amount each race. Currently it is $100.00 per race. 

Selections for 21 April 2018. Published at 112:05 pm.

BET DETAILS
Randwick R5 / 5. Manicure @ 5.00
Randwick R5 /6. Moss Trip @ 6.50
Randwick R7 /3. Hartnell @ 8.00
Randwick R7 / 10. Trapeze Artist @ 2.30
Randwick R8 /1. Arbeitsam @ 5.50
Randwick R8 / 11. Almost Court @ 9.50
Caulfield R2 / 3. Widgee Turf @ 3.00
Caulfield R2 / 6. Waging War @ 8.00
Caulfield R7 / 3. Bons Away @ 5.00
Caulfield R7 / 11. Sprightly Lass @ 3.50
Caulfield R8 /  2. Rich Charm @ 2.70
Caulfield R8 / 12. Lyuba @ 9.50