Bread and Butter! Fundamentals Thread

[Hunybear]

OK so I decided to pick up this character and I was wondering what is the core fundamentals of this character.
Things i should know or look out for?
Strengths and weaknesses?
Bread and butter tech skill?
Good and bad match ups?
How to play the natural?
Uncommon knowledge?
Advantages stages?
Basically how should they be played as base level. Don't be afraid to state the obvious because that might be exactly what i need. All advice is welcome!

 

[Simna ibn Sind]

Strengths:
-An Fsmash among the best in the game, reliable combos across the cast, a good shield that is hard to stab, good WD
Weaknesses:
-Recovery, upward movement speed, OOS game, highly crouch-cancelable, non-existent dsmash,

Bread and Butters:
-Fair is your aerial wall that applies pressure and spaces for you.
-Dair is your most reliable combo starter...like how falcon can stomp to aerial, Ness can stomp to aerial.
-Doublejump Cancel, fast fall, Lcancel. Like shuffling, but more hipster.

Good/Bad MUs:
-Just pretend like they're all bad.

Neutral:
-There isnt a neutral...you are always disadvantaged.
-Imagine that every move you have can be beaten and punished in one way or another. With that in mind, open yourself up to taking the risks you will ultimately need to take in most matches.

Uncommon knowledge:
-Ness' B is called PK Flash
-Ness' downB is called PSI Magnet
-Ness is a character in this game
-Ness has aerials that arent fair
-Ness secretly has simultaneously the biggest and smallest range in the game.
-Ness is heavier than you thought.
-Ness' sideB(PK Fire) will win or tie in a trade with any other projectile.
-Everything about Ness is uncommon knowledge.

Advantage Stages:
-Corneria
-Green Greens