If you can free up one day per week from your regular job, you can pursue a PhD in part-time. It would likely be unfunded, take a little longer, and there may

If you can free up one day per week from your regular job, you can pursue a PhD in part-time. It would likely be unfunded, take a little longer, and there may be expenses involved, but still, the option is there. Moreover, this dramatically lowers the opportunity cost.