I would say we can, for the most part, ignore the nuts and bolts of how some fen are rich... just that only some of them are, either by luck, or very, very careful management of what they do.
That said, the two biggest wealth generators will be tourism, and importing/exporting/shipping. Anyone who can figure out better ways to ship things back and forth, or how to get tourists to various extraterrestrial destinations, will find it easier to make money.
You can also make some definite money mining, but that's definitely a balancing act between quantity, quality, and not inadvertently collapsing the market when bringing the stuff to it. On that note, most stuff shipped to Earth is likely to be rare minerals that are, pound for pound, tougher to get out of the Earth itself, located in very, very few areas, or just incredibly rare, or even a combination of all three.
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"You know how parents tell you everything's going to fine, but you know they're lying to make you feel better? Everything's going to be fine." - The Doctor
That said, the two biggest wealth generators will be tourism, and importing/exporting/shipping. Anyone who can figure out better ways to ship things back and forth, or how to get tourists to various extraterrestrial destinations, will find it easier to make money.
You can also make some definite money mining, but that's definitely a balancing act between quantity, quality, and not inadvertently collapsing the market when bringing the stuff to it. On that note, most stuff shipped to Earth is likely to be rare minerals that are, pound for pound, tougher to get out of the Earth itself, located in very, very few areas, or just incredibly rare, or even a combination of all three.
--
"You know how parents tell you everything's going to fine, but you know they're lying to make you feel better? Everything's going to be fine." - The Doctor