Well, they're not that expensive for a few pulls! It only really adds up if you start chasing down specific things...

[ Come with him to the dark side. The dark side has gacha machines. Izuku beams, though, gesturing for Tsukasa to try the machine as he steps off to the side. Maybe he'll get something cool! ...Or more likely a common piece of junk but you never know. It could be something amazing. It's all down to RNG. ]