Money and Buying
How to get money: You get money from your job. The amount of money you get per post depends on your job and what you did in the post.
Faction Money: If you are in Blue Marz or Nadare, you can use the organization's money to buy weapons and frames. The money you make goes into the organization's account. You can take money from that account to acquire items.
Personal Money: If you are not in a faction, money you make goes into your personal account, which you can buy items with. You can draw money from the account whenever you wish.
Jobs: Jobs include mercenary, bounty hunter, Blue Marz Associate, criminal kingpin, et cetera. If you have a normal job like a waitress or a janitor, you will get paid in real terms, and won't have nearly enough money to buy anything.
Soldiers: If you're in Blue Marz or Nadare you have a military rank. The more you are active and complete missions for you faction, the more easily you can get promoted and advance through the ranks. Money you earn turns into faction money. The higher your position in the military, the more privileges you get and the higher youre salary is.