W Q instantly then E W quickly,followed by three AA's - one for each headshot proc.
For a longer trade and triple headshot W Q instantly then AA and quickly attack move command. Follow up instantly with E, using W while in mid air. AA R AA as quickly as possible after that.
You can trade quickly in a 1v1 situation by using E, Flashing as soon as your 90 caliber net comes out and AA'ing. Make sure the first AA lands right before the E then attack move command next to your target for the headshot proc.
To bait your opponent closer to you, R then mid animation Flash. E Q your target instantly and AA.
Outside of normal range, Q then mid animation Flash. E W instantly and AA twice.
To quickly Auto Attack twice faster than normal E Q your first target then AA a second target. Instantly using your attack move command next to your first target (not on top of your target).
For a neat trade E your target and instantly use W mid air, then AA Q AA upon landing.
To snipe out a target E to the side and instantly Q R your target
An alternative all in at level 6, use W under your target and AA once the trap lands, then instantly E Q quickly one after another. R right after the Q then AA instantly after R completes.
To all in at level 6 quickly one after another W under your target, E and Q them. AA twice and R to finish up.
Your basic short trade is to E your target and Q quickly, then AA.