An strategy that works for me is to set some points in archery and survival at character generation, then when the game starts i craft a longbow and some wooden arrows, after that you are more or less set for the entire early game if you keep training those skills (archery by killing things with bow and arrow, survival by butchering said things).
I can garante that you will never really have to run out of ammo since you can find wood pretty much anywhere. Also by the time you have reached level 7 in archery you will score headshots more often than not.
You will also be able to make cool things like fire drills, stome axes and stome shovels when your survival gets higher. For an added bonus, set an point in traps so you will be able to make snares and such.
P.S Also, if possible, avoid raiding at night. But if you really must have something and it can’t wait until morning then make sure you bring at least two flashligts, lots of ammo, some molotovs and a lighter.