General gameplay tactics and its features.

I can hardly imagine fixes that would justify spending money; usually, you face the opponent early on, and the game is very fast-paced in terms of development.
Let's say you got lucky: you found a max-sized Hive on the starting map. How do you take it in the second week if you were focusing on finances in the first week? Should you leave it for later? But the third Monday might not even come.