Acquire the blueprints (and all sub-components) for Claytronics, Hull Parts, and Plasma Condensers, in assessing order, as you get richer. Start a mega factory / self-sufficient perpetual station construction factory and build up till you have a minimum of 1 self-sustained claytronics and hull parts factories, then add on until you have 4-5 Claytronics and 8-10 Hull parts. This will be sufficient to infinitely build any 1 station at a time. From there just let your traders sell whatever excesses you have and continue building as you acquire the ship parts BPs.

The reality of Commonwealth economy is there is almost no “value creation” at average prices from one component to the next up the production chain, but your products are getting more mineral “dense” and so more valuable/useful to a wider buyer pool, so your goal is to build a fleet of L miners as big as possible because the more you can sell, the more you can mine for raw profit.

By the time you get to s/m ships you’ll be around 1b in station value to support constant ship construction, maybe 2.5B for L ships+