In a more high-class sense, you can make quite a bit selling man-hours of labor. You'd be surprised how much some people are willing to pay for menial tasks, like chopping food, feeding the dogs, cleaning out a dungeon or two, etc.
Raw material gathering and/or processing always makes a fair amount of cash for nowbies.
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Ano hi chikatta makenai koto.
"Give me an inch, and you've given me too much of a head start.
"