This. Depending on the project, especially if you're doing something really novel, you can end up going down dozens of dead-ends which, when removed, leave litt

This. Depending on the project, especially if you're doing something really novel, you can end up going down dozens of dead-ends which, when removed, leave little scars all over the code base. It can be so refreshing making that decision to open the old code on one screen and a fresh project on the other and do it right from the start.