In this land, while there are of course individuals with individual needs and desires, you usually can’t go wrong sticking to clichés to make a living.
Elves? Easy, they like intricately worked items of high quality, they don’t care who makes them.
Dwarves? Easier, they don’t really trust human made things, but they will buy food and drink in bulk. Even if they use human beer for their children.
The Cave Spirits though, that’s trickier. Beings of pure magical energy, you can’t sell them anything physical.
But there’s a profit to be made with selling good storytellers of physical feelings…