Oh man! I’m sorry to hear that! Over here I get 36 10mm dice for around 15$ depending on the store, so it seemed totally legit to say, “Yeah, get like, 100+ dice.” Lol
The reason for not just anything under 4” is because the rebellion would be able to just cascade through clumps of imperial planets and turn the tide of the war overnight because remember, the Imperial player cannot “double-tap” their star systems like the Rebels can, so losing a third of the board in a turn is CRIPPLING to their economy.