Don’t expand the system too fast. We are in the INFLATION ERA, so big jumps like remix 15 are OK. Modifer is tier 1 and grade tier 2. When tier x reaches its limit, tier x+1 is incremented and tier x is sent back to its beginning. (e.g. ∆+10 turning into ∆ ∆-9 (as of remix 11) when a point is added.)
Also found a minor error (+7 and -7 are skipped) that allowed me to actually expand, made a speed slider