Which was the most expensive mistake you have made when building your 4x4?

[RenegadeOverland]

Which was the most expensive mistake you have made when building your 4x4?

 

[Tom Cardy]

Until now it was buying the wrong suspension. I needed a more capable setup for the trail I wanted to drive so I had too change the whole thing 3 months after I bought it. It's okay though, such things are part of the game