The 3 Degrees of Financial Freedom (FU Money)

1. Emergency Fund: 3-6 months, or pershaps 1 year worth of expense.
2. FU Money: 1x to 25x your annual expenses.
3. Financial Independence: 25x your annual expenses.

Sources:
http://www.corporatemonkeycpa.com/2016/11/27/you-need-fu-money/
http://www.corporatemonkeycpa.com/2016/11/27/emergency-fund/
http://www.corporatemonkeycpa.com/2016/11/23/early-retirement/  Boring!