You could have a look on FB marketplace or Gumtree etc. Also worth advertising on LR owners groups, LR ladies on FB for example. I've got a tow ball mounted MaxxRaxx which is good, got it second hand.
Welcome to the forum :)
A lot of people sell on FB marketplace now. There will inevitably be a lot of tyre kickers cos it is a Landy. Your friend might be best off selling to a dealer. A lot of people won't buy a Landy off a farm. Often they have been thrashed to buggery on all sorts of...