Switch to Hungering Arrow on your left click to build Hatred when it runs short. Defensively, use smokescreen whenever enemies get too close or if you are suddenly struck with Jailer, Mortars, Or ...

Patch 1.0.4 Preview: Demon Hunter. Hungering Arrow is currently the best-performing Hatred Generator for demon hunters. With its high theoretical damage output, strong Hatred generation, and ...

In that case, you can remove Hungering Arrow entirely and add another support skill, or even Rain of Vengeance if you feel the need to have more AoE damage.