Minecraft tips
Use doors as a cheap and fast way to make pathways underwater!
You can use smooth sandstone stairs to make a curve smoother on a beach!
Villagers can equip mob heads and armour through the use of dispensers
Dont forget about leaving the mobspawner on for 3 hours
Don't put a nether reactor in your castle
Make stacks of 37 tracks when laying out long rails. Place a powered rail down at the end of each stack.
See also: top 10 minecraft tips