Now that my capital manufacturing process has reached a finished state, aside from some minor tweaks, and will finally start generating isk that doesn't have to be put straight back into it, it's time to find new places to put my money. There are several of these:
1. Highly researched capital ship blueprints. This is a long-term (1-2 years), very minor upgrade to the manufacturing process. The goal is to buy a set of capital blueprints that matches my current set, and research them to optimal ME and PE2. This will take about 30 billion isk.
2. Research component blueprints to sell, as described in my capital component blueprint income posts a few weeks back. After the new set of capital blueprints is started, filling my remaining research slots will cost around 36 billion isk.
3. Buy plex for more than a month in advance.
If I could manage to sell my supercarrier blueprints for NPC price, they would mostly cover steps 1 and 2. Since that doesn't seem to be happening, though, I expect those steps to take a minimum of 6 months.