You would pay $120 for a case only if you were actually going to use what you paid for. This case is really nice because there's a lot of thought put into the layout, especially concerning airflow and cable management. It also has a very nice build quality, meant to protect your expensive hardware better than a cardboard box. If you can't appreciate that, then you're correct in saying it would be a waste of money. Plenty of people have made computer cases out of cardboard, there are obvious tradeoffs but it's certainly not impossible to do