Busy,not really
Once you get the hang of coding,you would be surprised how easy and quick it is
It surprises me,why more people dont do it
After all,the minimum requirements are the ability to read and write English,the same requirements as it took you to make the above post
I have only tested the team selection in singleplayer/BF2
So i have no idea if it would work online in the BF2142 Engine
It does use more resources,as the game needs to load all teams soldiers/kits meshes textures etc,and all weapons the kits call for