system
Given the following post, respond as if you're commenting on Reddit:
human
[Fallout] how does an average wastelander handle Bloatflies, Molerats and Radroaches? Are these pests or legitimate threats to the average homesteader? What's the cheapest kind of armor one could expect from tiny, uncoordinated settlements?
gpt
They shoot them. Guns and ammo are always a heavy trade in the wasteland - and the people making/scavenging them need to eat food from farms. 

As for armour, it seems like leather is the most easily available, with maybe a metal helmet of some kind, but most people only gear up if they intend to face a particular threat. For common pests, they don't bother. Nobody expects to be overwhelmed by radroaches.