When it comes to buying stuff at cons, especially San Diego Comic-Con, it’s all about lots of swag, exclusives, and cool merch, right?? Wrong!! For someone who already has way too much stuff and is constantly trying to declutter (keyword being “trying”), shopping at cons is such a challenge for me. As a collector, I want everything! But on the other hand, I’m trying to only buy stuff I really really love (suggests Mari Kondo). Even though I am a victim of having way…