1. If you place Fences,Signs,and others in Water, they leave an air bubble so you can BREATH UNDERWATER!
2. Soul Sand Makes a One Way door! As well as Repeaters,Trapdoors,and others I forgot.
3. Porkchop and Steak are most filling food in MC.
4. There are lots of hackers. XD
5. You can eat Raw Food but it wont fill you up! You'll need like 40 to fill you up.
6. Cactus is worth a Lot In CosmicCraft.
7. Mass Production is the best way to make money in MC Servers that have Shops.
8. Mass Production of Cactus is Best in CosmicCraft.
9. Another Easy Mass Production is Cocoa Beans.
10. The only Way to make Cocoa Beans is to plant them on Jungle Wood.
11. Spider Eyes are NOT Helpful when hungry. (They poison you)
12. Milk Deletes the effect of any potion on you.
13. Watch out for PVP. No one has Mercy in MC.
14. Pistons are better than doors.
15. If you use Piston as a door no monsters can get in unless you leave it Open.
16. Piston doors also keep out PVP in Servers, Unless the Teleport To You. XD
17. Pistons can be used to Lock anything.(Be Careful What you use it for.
18. If a Skeleton shoots a mob, the mob that was shot will attack the Skele. So stand behind a Mob when fighting skeles. Unless its a Creeper. Then Run.
19. To Creeper Proof your house use a Piston door.
20. The Worst thing to do when fighting a Creeper is Stay close to it. Once You hit it, Back up. Then Attack. Repeat.

Thanks for reading. PM me for more things to add to list.