Pre-construct Capital
When a match starts you have a pre-construct budget that will allow you to instantly construct your first few buildings.
The pre-construct capital is useful to execute different strategies such as early expansion with a shipyard,
multiple Barracks for quick expansion, multiple factories for early tank pushes or airports for Early Air superiority.
Is also sometimes viable to use pre-construct Capital to build economic structures and even a trade route
if you feel that you will not get attacked early or when protected by allies.
It is common to use pre-construct Capital to build structures concealed by Terrain in forests and mountains
since you avoid the 50 additional construction time penalty.
▶ Basic Pattern to beat AI - Using 3 different Units / 2 different Commands