There’s a reason for the stereotype of the starving artist.
For many creative people, creating is not really optional. Sure, most of us love it when other people appreciate our work, but even if no one else cared, we’d still keep creating. It’s a compulsion.
But creating often costs more than time. A painter has to spend a small fortune on paints, canvas, brushes and dozens of other supplies. Sculptors pay for clay, chisels, armatures, etc....