Escape from Tarkov Subreddit

When you're playing as a Scav you're not supposed to kill other Scavs.
You lose your rep with Fence
You're cooldown timer gets longer
All the other Scavs will attack you

But if you're a good Scav eventually your cooldown timer can be as short as 5 mins.

If you're playing as a Scav, let the other Scav's do their thing, or even join them in fighting the PMC's

You might get a little extra loot killing Scavs but it's just not worth it.

And yes, it's a sandbox, do what you want, but I'm writing this cause it seems like a lot of players don't realise this.

Game gets a lot easier and more rewarding if you're a good Scav.