profit is the function of increasing income, while decreasing cost. how ever, in sim country, the age old saying, of "it takes money, to make money," is true.
i often find myself feeling like i'm just bearly threading water, and vola, where did this 40T of military assets come from? and realize, i'm doing fine.
in more specific terms. look at what costs what, and what you seem to notice has the most dramatic effect on what you are doing. don't guess, pay attention. look at other players, both successful, and mediocre. and notice the difference. you'll start to make the right moves
even more specific. make your corps profitable. increasing salaries increases income, but also cost. increasing indexes, also increases welfare, and profitable, but at a cost. consider how you can get the effect you want, at the lowest cost.
time is also a factor. where you can build dozens of different corps to try to be self sufficient, how much of that can you really keep track of, and manage? how how easily can you expand it?
k.i.s.s. keep it simple stupid, is a good motto when it comes to building more than one country, and a ceo. don't build to build, have a plan, and goal. as you learn more in sim country, you may discover that your plans are rather, misdirected, but don't be dismayed, you had fun trying!!! didn't you?
oops, end rant