Quote Originally Posted by KSEG
Is it possible to train multiple units at same time but not at 0 turn?
Like training 5 units at same time in same city that takes 2 turns to train.
No.

Quote Originally Posted by quintisv
Is there a way to do this to ALL units without having to do each unit one by one???
Use Control+H to find and replace all
stat_cost 1
and
stat_cost 2
with
stat_cost 0