your question isnt targeting the subject "can I become a successfull trader?"
that means u r a beginner.
less than 1000 AUD is the answer.
u ve to take 10 long trades to calculate your mean initial loss
let s assume a mean initial loss of 10%
reduce your account by 12%
.... repeat the same procedure by calculating the running mean values
enhance your account if your mean initial loss decreases, vice versa
be aware that 90% of all traders r systematic losers
it will take about 20 trades to describe your strategy