Cinder brew:
Play safe-ish until Cinder brew lvl3.
Cinder brew will ALWAYS cause a set ammout of dmg when ignited regardless the time when it was ignited, it will also always deal this dmg in 8 ticks spread through the duration of the debuff.
Cinderbrew4 + thunderclap4 is enough to kill a creep wave, to cut waves, you can use both and leave fast before giving too much information of yourself, the creeps will die in the fire, just stay close enough to get the xp.
Cinderbrew in ignited by a bunch of items like radiance, chipped vest, fae granade... you can use that to help you farm without having to use thunderclap thus saving mana.
Besides Fire's Stance, all the other ones give you a lot of survivability in the shape of evasion, armor, magic resistance, status resistance. If you know you're about to take a lot of dmg try drop your brew.

Storm brewling's Mass dispell:
Remeber you can mass dispell people with your storm, that ability is incredibly powerful and it has some interesting interactions with ilusions and summons.
It will half a warlock golen,
it will destroy all CK's Illusions.
It will destroy all Pl's and Naga's ilutions,
It will destroy manta illusions,
Its AOE is so big it will often removes buffs and debuffs from several heroes at the same time.
It has 3s cd, keep spamming it.
It will dispell tornado.
its Reach is quite short but since the range is so big, you can just cast in front of Storm Brewling anyway and it will it your target anyway.

Storm brewling's Tornado:
Use tornado right after people use key skills or items, ex: Use on a troll or medusa, right after they ult. Use on pa right after she uses satanic.
Generally use tornado to remove a hard to kill enemy from a fight so your team mates can afford to just ignore them.
Or to remove a strong dmg dealer from the fight (strong medusa)
Tornado dispell the target
Tornado does not causes dmg on landing so people with daggers can just blink away from it if they queue.
Though its bad to not land a hit with your windwalk sometimes its okay to use windwalk just to get enough ms in order to cast tornado on a key target.

Special Controlls:
Have a organized group just for storm panda, if you need to run from a fight just press that key and Q in order to go invisible and turn around quick.
Have a organized group for the other pandas so you can keep controlling them while storm is running away.
If you cant escape with storm select any panda and randomly click around the minimap while pressing tab, that will force all pandas to scatter around in different directions.

Earth Brewling:
Earth brewling causes a massive ammount of dmg to towers and buildings, later on in the game in order to provoke an fizzled initiation, you can cast your ult and set them to hit the towers while observing with storm in a safe position (if they dont intervine and stop you, you will halve their tower)

Initial skills:
You can start with 1 - 2 - 0, that will give you a thunder clap ealy in order to secure ranged creeps and 2 lvls on cinder brew to haras, but without a lvl of brawler you cant use the cinder brew buff to crit or run if they go on you.

You can start with 1 - 1 - 1, and get your seccond point in cinder later on, that will make you more survivable in the lane but your ability to bully people out of the lane lowers considerably, do this if your lane partner cant ignite cinder brew reliably

You can also start with 0 - 2 - 1, you become much safer and you can span cinder brew in order to haras but without clap you cant secure ranged creeps easily