I don’t have any experience with starting up a project other than my own little business, but I can say from my experience it’s hard as crap to make it profitable.
My dad was a banker and a brilliant artist. His paintings were exhibited in galleries and sold for $2000+ back in the 80s-90s, but the costs were phenomenal.
To have them professionally framed was $400. The gallery took 50% of the sale as their fee.