Realm sizes don't matter as much as they used to thanks to the size limit.
Gold diminishes hard beyond 10 regions. Beyond 15, it becomes way too hard to manage.
You don't need too much gold to boost your CS when you have 38 nobles. Just go back to the good old fashion way. Make people recruit 10~20 men each. If you don't even have that much gold, you should consider surrendering.
