If they all wanted to increase what they would be paid for each of their contributions made toward the completion of the job, then they could do a clean sweep of the surrounding areas.
If they encountered anything else during that time, then they could deal with them what that happened.
The main issue was assuming that there would not be anything else to deal with and heading back to the village without any preparation and rest.
If they were not in the best state to be fighting again and set out from their current position that had become quite safe for some time, then they could end up walking into danger again.
They had the opportunity to establish a safe zone where they had been, so they had the opportunity to rest and take care of whatever else their bodies needed at that time before having to move on from there.
