[mr_luc]

There's always the old standby: custom-made, one-off products.

A concert, for instance; lots of musicians make money through performance.

Depending on how crowd-pleasin' your creation is, or how well you've done at finding a crowd, there's a bit of tension possible; a husband who commissioned a Dali portrait of his wife ended up hanging it in his kennels to underscore what he thought of it.