Shipping, handling, and insurance are the buyer’s responsibility. There are intellectual property rights that the artist assumes and the buyer respects.
In the event that a work of art is sold in the future, the State of California mandates a 3% return of any profits to the artist. The artist is pursuing a policy of 30% return to the artist of any future resale, to help overturn the long and onerous tradition of the “starving artist syndrome.”
Hopefully the collectors of my work would want to work towards overturning the devastating struggle of so many, too many, artists. And if no % is returned to the artist, at least give back to and support the art community.