R2, Need a Lil Help Here…

Hello! I just finished the UCS Deathstar that just came out. The only catch? Not enough mini-figures whatsoever. I am new to this hobby and am playing catch up. My question (to those who can help) is where can I purchase storm trooper/Star Wars mini-figures? I’d like to make this Deathstar cinematic and recreate scenes in every party however currently, can’t pull that off. Can anyone point me in the right direction to purchase (reasonably priced or like “in the know”) storm trooper/ Star...