There are several ways to quickly accumulate cash. Liberating outposts stealthily provides a significant bonus. Completing 'Path of the Hunter' and 'Wanted: Dead' missions offers good payouts. Looting every enemy you kill and every chest you find is crucial. Selling animal skins (especially rare ones) and excess crafting materials at vendors can also net you a lot of money. sell any weapons you pick up that you don't intend to use. Early game, focus on hunting and outpost liberation for a steady income stream to buy weapon attachments.
