If you are selling your unit and can establish that it was well away from flood areas, yes, it should push the used prices up.
If you can't prove it was outside of flood areas, it could push it down as people assume it's a flooded piece of junk that was cheaply cleaned up.
Tammy & Mike
Ford F250 V10
2021 Gray Wolf
Gemini Catamaran 34'
Full Time spliting time between boat and RV