It's mainly a question of thinking. You should know when and how to do it, how to start, whether you want to start the economy or suppress it, stick to your own route and your proficiency. If the population is over 30, you can not build bs, barracks or heavy industry and don't stop fighting. Switching should be rhythmic. The main force will move back to the base to build agriculture, then make up bs, then make up a round of soldiers, and then do a radar scan to see each other. In addition, you can practice amp by playing a computer with shifting gears, and then add 1 or 2 interstellar qq groups to communicate with you. 69663849, this is our rookie group, haha.