Selling stuff isn't a good way to make money, you are right, but BODs provide extremely decent money. Getting 5 fallon and selling 300k isn't worth the trouble? Even charcoal is extremely lucrative.
Like you said Decent money. But just how much do you make? I mean you're looking at two options here:
A.) You buy the BODS and the Materials ( or farm them same difference in terms of time/value). So if you buy them and then sell the end product for 300k just how much did you make really after buying the BODS and buying the mats or farming them (include your time farming as money).
or
B.) You just simply keep trying and trying and trying until you get the right BOD then roll the dice for the reward.
Something like Fallon isn't to hard as a reward. But the problem is everything that' worth something in this game is all based on perception because the items are rare not because they provide any real benefit for your character. So to speak this server doesn't have a real economy because the stuff that sells are just stuff are rare and look cool. The stuff that actually benefits your character, such as armor, weapons, regs and etc have very little value and for many reasons, that in truth you can't have an economy that's thrives on perception and speculation on something that has no real benefit for the players character.
Sadly finding rares is the only way to make money in this game assuming you're not a tamer/bard or fisher. But even then a majority of their income comes from rares too but at least some of those rares like PS and SS provide benefits to a character.