Well, for the time being, you can't die, so knock yourself out with all the hunting you want.
You could go buy a full squad of droids, but they have fairly low health and can't be repaired. You'll probably lose most of your droids, depending on what you're hunting. You can get a full squad of 24 K-4s from the NPC market/shop pretty cheaply, though, so it might be worth checking out (just be sure to pack extra).
NPCs, on the other hand, can be healed, but you need to buy them at least a gun, and preferably some armor and meds too. I wouldn't give NPCs any really expensive items, since they are still fairly likely to die and they take all their items with them when they die. NPCs themselves are fairly cheap to hire, but getting gear for all of them can add up pretty quickly (unless if you want to give them NPC market/shop gear, but that stuff is pretty bad).
It all depends on the funds you have available. If you're pretty broke, a squad of K-4s or NPCs in basic gear should work fine. However, if you have a few million to spare, then I would highly recommend buying bacta, armor, and decent guns for your NPCs.