Some of these people do seem to think that tourists have money trees.
The European money tree has been successfully shaken to construct bridges between many of the islands in the Outer Hebrides.
The record industry in those days was a limitless money tree.
The first houseplant I ever bought was a money tree.
It is no longer a 'money tree (hau loit), it has become a tree of dispute/acrimony (haumlasi)'.