1. buy stuff for $50 2. 3d print a couple of cases for $10 3. repurpose highschool summer break crypto project .. free? (excluding time spent) 4. ??? 5. pro

1. buy stuff for $50 2. 3d print a couple of cases for $10 3. repurpose highschool summer break crypto project .. free? (excluding time spent) 4. ??? 5. profit from selling it for $400 a pop