How do you get easy money on borderlands?

To quickly earn money in Borderlands, focus on completing side quests and missions, as they often reward you with cash. Additionally, loot chests and enemies for valuable gear that you can sell to vendors. Farming bosses or specific locations known for high loot drops can also yield significant rewards. Lastly, consider using the "money-making" skills or perks available to certain character classes for even more efficient farming.