How the hedge grid system strategy works in forex in the US

How the hedge grid system strategy works in forex
first you choose 2 pairs that have same charts exampoe gbp/aud gbp/nzd
in the chart the above gbp/nzd
the below chart is gbp/aud
Second you wait for the right time depending on your indicator or Technical analyses
in our case I used volume , plus a personal indicator that I have created .
at the green arrow
I will buy 0.1lot gbp/aud and sell short gbp/nzd same size
at the red arrow I will take profit from the buy trade
and again I will buy 0.1lot gbp/aud and sell short gbp/nzd same size
at the Cup I will Close all trades and celebrates