I'm talking about 100-1k ped per day.
Nobody in this game makes 1k ped a day constantly from mining/hunting/crafting. It's just not possible.
Realistical profit comes exactly from an average markup of 105-110% at a great turnover.
That's all, no secret. The only *secret* is to reasonably identify the necessary turnover for your specific activity to reach that point where you sense a full cycle was done, you can strip down the profit and grind it again from the beginning. But nobody can tell you that since it depends on what you hunt, mine, craft etc.
The main drawback is that you just need SO much time that is not rentable. There's really no point to screw your mind in EU 12 hours a day for a 1k$ a month when you can instead work IRL, make let's say 2-3k$ a month in a civilized country and from those spend relaxed say 2-300$ ingame. And from those, playing a bit with attention & stuff to expect to make some profit.
As for trading, the sums which I know (don't know if them still hold water) for the past year say in spring were ~1k$ a month for a casual trader (~4 hrs a day or so) and ~3k$ a month for a hardcore trader.
But directly from the game as in hunter/crafter/miner, no way, don't expect those sums.
At the other end of the spectrum, 100 ped a day is possible quite easy. Not ad literam 100 ped each day, but an average of 3k ped a month is doable. You need a serious budget (i.e. mining unamped for instance, considering state of the game in november, no idea for now, I'd say that with a budget of ~10-12k ped as starting and disciplined grinding, some 4-6 hours a day or so, it was doable).
Same for hunting, maybe a bit of more budget needed and some serious skills & gear to hunt mobs say scip/formidon/etc. and up.
But for instance, argounauts and m2a amped at a turnover of say 300 ped a day, you can't be seriously expecting more than fun & eventual break-even. Simply the soup diluates so much that you can't make a serious evaluation, stacking of resources, etc.