Mark Suster's Is it Time for You to Earn or to Learn? is among the "solved problem" essays I've come across on HN.
http://www.bothsidesofthetable.com/2009/11/04/is-it-time-for...
Good luck.
http://www.bothsidesofthetable.com/2009/11/04/is-it-time-for...
Good luck.
http://blog.eladgil.com/2015/03/career-decisions.html
Edit: typo