Not worth storing:
- regular armor or weapons, even slotted or upgraded. Until lvl 50, you can only NPC these kind of drops, however after that you get your transmuter and you can crush the items to get material cores and 1/4 of the NPC buy-back value. Lowest grade of armor you can crush is aramid or shadowsteel, citrine orbs and crystals, and lvl +30 jewels.
- NPC formula cards. If you're really desperate for alz, you could try to sell them, but my advice is to save time and NPC them.
Secondly, expenses:
1. Skills and upgrades. Each rank and the upgrades that are available with it cost up to tens of millions so you'd be advised to save some cabal alz in advance. Read your class section for skill guides and upgrade picks from more experienced players.
2. Armors and weapons. Don't worry much about armors or weapons until about lvl 40, when you can start wearing adept. Get a full adept set and the matching jewelry as soon as you can wear it. It pays to get a +4 skill exp set or +3 with a slot and upgraded it to +5/6 and wear it until you reach trans. It's cheaper to upgrade aramid/shadowsteel than it is to upgrade bluestine or titanium. +4 skill exp is also cheaper with aramid/shadowsteel than it is with bluestine or titanium, but if you can craft yourself a better adept set or someone in your guild or buddy list will give you a discount, go for it.
If you plan on heavy skilling at lower to mid lvls, don't upgrade your weapons so that you can combo more on the same mobs. Upgrade your jewelry as soon as you reach the lvl for it and go for a guardian epaulette rather than a fighter/sage one.
I'd suggest to skip bluestine completely. Titanium is only worth getting if it's a good or max craft, or has amp in gloves. Titanium is cheap to upgrade and to extend, so it's not a bad investment. Shadowtitanium is also skipable unless it's good/max craft or amp in slot. Osmium is what almost everyone focuses on because of good def/def rate and cabal alz because it's easier to craft than higher grades. Shineguard, Terragrace and Mystic are mainly used because of higher def/def rate in places where it's harder to stay alive than it is to kill. Mihtril is the last gear, pretty rare, and almost impossible to get anything good crafted or in slot. Very expensive to upgrade and so far impossible to extend, it's mostly for reaching a defense threshold after which a particular mob does minimal damage on you.
