- Lindsey and David Barber save 75% to 80% of their income for retirement and their son's future.
- Despite having enough to retire early, the millennial couple plans to keep working.
- They said they've worked too many long days to just sell their businesses and retire.
Lindsey Harrison Barber, 34, and her husband, David Barber, 35, have enough to retire early, but neither intends to slow down.