Greevil's Greed gives bonus gold per kill, so farm stacks and waves to snowball your net worth.

Acid Spray reduces armor and deals damage, so use it to farm camps and soften enemies.

Chemical Rage gives huge regen and attack speed, so activate it to fight and push.

Unstable Concoction stuns longer the more you brew, so time it to land a big stun.

Alchemist peaks in the mid game, so end the game before the enemy carry catches up.

Buy Aghanim's Scepter and gift it to allies to amplify your whole team.