Updated.

Good heimer players dont use turrets except late game.You start with level 1 turret and after this you max your second and third skill.You can use exhaust/ignite/flash to be even more deadly and aggresive.I agree in general with your item list.

I can see how that makes sense, but I think we can all agree that one level of turrets is vital. Your other skills are rubbish at level 1.

I must be doing it wrong?

I take middle often. I typically level turrets over everything else. I push. I initiate team fights. I am very aggressive. I don't gank.

Yet somehow... I manage to win within 20 minutes most of my games. I really should make a Heimer domination guide...sometime....just to dispell the myths out there...

The key is just to be aggressive, this guide isn't really all that comprehensive.

If someone wins games at 20 mins with heimer then his opponents are very weak.Its simple.