I have several questions around trade ports.
1.) Do I have to have a 1 to 1 relationship with trade ports? Suppose that I have two worlds. And I build 3 trade ports. One port at my homeworld and 2 at the colony. Will the extra trade port at the colony not generate income? What if I build another trade port at the homeworld. Now I have 4 ports. A 1 to 1 ratio. Does that mean that the income starts flowing?
2.) How many are optimal number of trade ports? Or can I just build trade ports like crazy with no diminishing rate of return. If I buld 10 trade ports, I get 10 times the income?
3.) I read at a thread that desert worlds can support many trade ports. Is that true? If so, why?