What are your Terraria tips that most people don't know about?

Seriou asked on reddit: What are your Terraria tips that most people don't know about?

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My answer was:

• Use the turtle mount to build your sky- (asphalt) bridge by holding arrow-key and mouse button - semi afk. It is slower but you dont have to be careful to make a step too much and fall down
  
• In your Documents/MyGames/Terraria folder is a file called config.json. In this file you can turn on or off various things that are not in the options in game (they all have names that are self explaining).
  i recommend
  "ThickMouseEdges": true,
  "ThickMouseEdgesPackedColor": 4294967295,
  for a thick mouse cursor outline, more info in this thread.
  &
  "UseSmartCursorForCommonBlocks": true,
  for smart building mode with normal blocks
  
• For more fun while playing terraria:
  Everytime you see one or two eyes, help your brain to see a face. Your buildings and landscapes make ugly faces.
  Use the gravity globe, tab until map overlay, zoom in map with (+) until it overlaps (max zoom) and go in a cave. Happy Trip!
  

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Check out the thread at Reddit to see all the tips, and maybe add your own!