1. Just move up the tiers, if there's no cost then there's no cost.
2. No office income
You might want to strongly consider bringing your signup post into line with some of the others and actually registering a family instead of just one character. And please be aware that while an interest in the military aspects is ok, this is a game focused heavily around politics. In fact it's practically impossible to access the military side of things without taking part in politics.