How do you get easy money in aqw

Kill the crusader in the citadel.

Or you can go to your book of lore and click story, then click Swordhaven, then Swordhaven under fire. Get the quest from Cleric Dawn, finish it, then sell the Burn it Down Staff. You can do this every day and keep selling the staff for easy money.or kill fire mage and get drop and sell it