I switched from the largest board to the 4x7 because it cycles faster and have managed to get up to around 2.5b/s. I'm not sure how to get much higher than that, but I suspect it involves portals.
pro tip: crafting doesn't consume crystals until you click "stop wheel" so at end game when you only need a few specific items you can refresh the page to reset the crafting options.
@tyronull yes, when you craft gear it will be a higher level than your highest level equipped weapon so getting to 999 is not hard, but a bit time consuming.
Unless I'm missing something the angle based multiply profits upgrades don't make much/any sense. It takes 50 angles to get a 500% increase so why would you sacrifice 1 billion to get the same effect?
Thanks for the suggestion! Let me see what I can figure out.