Lol at 40 you have better things to look forward to, as those are required to do your job. Emp Pin is easily farmed if you don't mind camping the NM, or do the BCNM to get it. P.Charm is obviously worth the gil, only if your accuracy is that bad. But in the 40's i beleive you can dual wield (if you're going /NIN) Bone KNife +1 which are fairly cheap on most servers. That, plus using DEX anyway will give you some accuracy, L. Boots is some more. Brigandine is at 45 i think.
Unless you have another job to fund your stuff, farming for that is going to take a long time. At least a month. Especially if you don't already have a specific farming pattern/area that you already play. Doubley so if you have no craft or system in which to make the best use of the drops that you get.
You can always hit the main spots that everyone and their mother knows about: Beastman Blood from certain Leaches, and bats. Beastman Coins are great to steal. I would run up behind a gob, steal, then run to the zone (flee if you have to, but if not, save it). When you get Hide it's much easier as they detect and aggro to sight. I used to go to Gustav Tunnel and steal Gold (either that or mythril, can't remember which ones they have), then hide, go rest at zone, come back 5m later. it was a decent profit, especially if you camped your rabbit charm (which on alexander only goes for 150k so its easy to buy). Beehive chips, honey, crystals, silk thread, saruta cotton. All of that stuff is used in crafts and thus on semi-high demand depending on what the crafting scene is like on your server. Everyone knows about that though. The only thing YOU have to do is find a camp for it. Sure, Saruta areas are always full of armers, but you could always hit up bees in other areas too. at 45 you'll have TH2 will which help slightly.
Look at your AH and find out what sells well in stacks as far as common drops go, and look at how many sold and when. Then go farm some. If it's steady in it's sell history, you can bet that if you farm up a few stacks fast you can participate in that action too.
however if you undercut prepare to have your sales take a nose dive, as farmers want gil and the only way to get that is to make sure you supply en mass for cheaper than the competition. undercutters undercutting undercutters leads to a dead cash cow.
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