heres a few:
Coms/units in front of SL
drawing alt + F line with nux without intention to actually launch
Forgetting to press S on scylla after issueing fireing order on a unit
thinking detis performance lives up to his price tag
shooting reef missile at jack jumping into allied shield ball
building caretaker next to cloaktower
underestimateing the slow effect
crowding merlins too close together
enableing overkill prevention on Chainsaw
screw ups with "avoid bad targets"
flying into a gravity guns range
building many singus but not connecting as many mexes as posssible to grid
keeping snitches near allied units
forgetting that different missile tyes have different trajectories and travel times
launching multiple missiles at once at multiple shields
not haveing a backup anti
"want there a ulti somewhere around here?"
not knowing how to dante vs cyclo
windmills as cloak/shield-bot player
trusting the pathfinding ai
bb within tac nuke range
trusting the targeting ai of lance/phantom
moveing cloaked ogres near terraformed mexes
trusting your teammates to do their jobs
rezzing SL under water
seeing a unit called "Glint" lying on the ground
terrforming in front of porc
swarming enemys within cerb range
moveing army within enemy singu/adv geo blast radius (ctrll + d)
issueing bombing orders across the map
underestimateing Artemis