- achieve sufficient financial security/flexibility that you don't have to worry about being "unemployed" (or taking a non-paying side-trip) for a year
be a consultant/Free Agent
follow Lean Startup process
grab some Venture Capital money to underwrite something interesting, maybe you live through the IPO, maybe you get replaced by some outsider but you had fun while it lasted and can go onto the next thing
create stream of Passive Income
See also Personal Finance-type materials:
related articles and books
How the Pilgrims made a living.