Mine is my trip last year to the Great Smoky Mountains in Tennessee.
I was driving my old truck (bought a new truck this year) and it was giving me brake/tire noise issues about halfway there and hundreds of miles away from home. We took it to a shop, and it turned out to be a plate not tightened up. It was a simple fix, and the shop refused to charge me. I gave them $50 and insisted they take it and get pizza or something and they did.
How about you all?
I was driving my old truck (bought a new truck this year) and it was giving me brake/tire noise issues about halfway there and hundreds of miles away from home. We took it to a shop, and it turned out to be a plate not tightened up. It was a simple fix, and the shop refused to charge me. I gave them $50 and insisted they take it and get pizza or something and they did.

How about you all?