Flexible Terraria Item/Enemy Farm Guide! (AFK farm, lava, trap & statue farm tutorial)

Guide to the PRINCIPLES of a Terraria item/enemy farm so you can customize your own full AFK farm, just a basic lava/trap/biome farm, statue farm and more! Includes how spawn rates work, what/where to set up, which armor & gear to use, minions, what engines are for, creating artificial biomes and lots of other info! Wiki Links: https://terraria.gamepedia.com/NPC_spawning#Spawn_Rates https://terraria.gamepedia.com/Guide:Artificial_biomes https://terraria.gamepedia.com/Guide:Enemy_farming