Organization Solutions (Monster Box + all expansions)?

Looking for organization solutions for this game, since I've been collecting it since before the pandemic. Right now things are just.... Either loose or in ziplock bags in the Monster Box. But with my next paycheck I'm getting Luchador and Mindbug to catch up, so I'd like (low budget) ideas to clean things up a bit. And preferably something that can accommodate the Godzilla characters later this year.