The Woods are teeming with life it seems, and not just any sort, Hunters with their mighty bows and clever trapping skills, and Hired Swordsmen, ready to fight for a bag of shiny coin (or a place to sleep at night). Their fighting skills are far more honed than the skill of the ruffians inhabiting your camp. The Hunters are more skilled at routing out your enemies gold hiding spots, and the Swordsmen.. well, they just fight better.
With their skills, they discover greater wealth within and around this forested region, and even after just a few days, your coffers begin to fill with the spoils of trade and war.