Always carry a water bucket! It can save you from fall damage, put out fires, and help you climb surfaces quickly.
For maximum diamond efficiency in 1.20+, strip mine at Y-level -59. Deepslate diamonds are abundant here!
In the Nether and End, beds explode! Use this for quick mining of ancient debris or damaging the Ender Dragon.
Fortune enchantment works on crops! Use a Fortune III hoe on wheat, carrots, and potatoes for bonus drops.
A shield completely blocks creeper explosions! Always keep one in your offhand when exploring caves.
Travel 1 block in the Nether = 8 blocks in Overworld. Build ice highways for super fast transportation!