you fill in tier 1s, inner devos first, using crossroad as a filler
fill in tier 2s, “middle” devos, again use fillers if necessary, then reinvest
lastly you fill in tier 3s/out devos, when all other points are invested and fillers refunded, this way you will always have enough
Level 100 (GD 1.2.0.3) - Grim Dawn Build Calculator
^go to devo page then click the yellow slider at the bottom