Wait. Erinaum, if anything, has an enormous budget. I mean, yeah, we're spending all the time, but currently, living in Erinaum is cheaper than living in America now. We have a mechanical workforce. In fact, it's hardly a Socialism any more since the economy is built on a robotic work force. The cool part is, the entire process of an ERLU's creation, maintenance, improvements and disposal is done by other ERLUs. There are numerous ERLU facilities all over Erinaum, where they can be built, repaired, upgraded or scrapped.
A huge cycle of money is being moved around in the human population, and most of it goes to the government treasury, to ensure that inflation doesn't happen. If money is spent by the government, then the price of goods for the Civillian population is not affected by it. ERLU control facilities control supply to meet demand at the ideal price. ERLUs are twice as efficient as a human when it comes to work capability.
Einaum is also, for the most part, self-sufficient, so the flow of goods is controlled by rigid data brown townysis, not loose speculation.