![Jason and Julie Buckley](https://static-ssl.businessinsider.com/image/58ffa7f50ba0b8ce018b6176-2000/jason and julie buckley.jpg)
Courtesy of Jason and Julie Buckley
Learning to be happy with less will get you far. (Pictured: Jason and Julie Buckley in Norway).
$4 is key to retiring early, but it's not the only thing that will get you there.
In fact, for many people seeking financial independence - and those who have achieved it - it's often a mindset shift that does the trick.
Below, we highlight some of the best advice early retirees have shared with us, beyond the most fundamental tip, which is to save early and save often.